Factors / Factors of 12

Factors of 12

1, 2, 3, 4, 6, 12

12 breaks into 3 pairs, tested up to √12 ≈ 3.5; each pair multiplies back to 12 exactly. 12's full pair list is (1, 12), (2, 6), (3, 4), for 6 divisors in total. 12's divisors other than 12 itself sum to 16, 4 above 12: abundant. 12 is even, digit sum 3 for 12; small divisors of 12 include 2, 3, 4, 6. 12 has 6 divisors; 11 has 2 and 13 has 2, so 12 wins here. 12 divided by its largest divisor, 6, gives 2.