even, composite · 12th positive integer
The number 12
12 is an even composite number. It's known as the number of months in a year and the number of hours on a clock face. It is the 12th positive integer.
Quick reference
| Prime factorization | 2 × 2 × 3 |
| Divisors | 1, 2, 3, 4, 6, 12 |
| Binary | 1100 |
| Hexadecimal | 0xC |
| Roman numeral | XII |
| Digit sum | 3 |
| Properties | even, composite |
Why 12 is notable
The number of months in a year and the number of hours on a clock face.
Reading 12 in NumGrid context
For 12, the underlying data on this page comes from classical number theory plus NumGrid solver-derived puzzle statistics. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
The methodology behind every numeric value on this page is publicly documented on the classical number theory plus NumGrid solver-derived puzzle statistics portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for 12 is typically a peer within positive integers within the NumGrid target pool with similar size, similar exposure, or similar geography — not the national-level summary alone.
Frequently asked
Is 12 a prime number?
No. 12 is composite. Its prime factorization is 2 × 2 × 3.
What are the factors of 12?
The factors (divisors) of 12 are 1, 2, 3, 4, 6, 12.
What is 12 in binary?
12 in binary is 1100. In hexadecimal it's C.
What is 12 as a Roman numeral?
12 in Roman numerals is XII.
What's the digit sum of 12?
Adding the digits of 12: 1 + 2 = 3.