12628772 has 24 divisors (see below), whose sum is σ = 23933952. Its totient is φ = 5796000.

The previous prime is 12628757. The next prime is 12628783. The reversal of 12628772 is 27782621.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10397 + ... + 11547.

It is an arithmetic number, because the mean of its divisors is an integer number (997248).

Almost surely, 2^12628772 is an apocalyptic number.

It is an amenable number.

12628772 is a deficient number, since it is larger than the sum of its proper divisors (11305180).

12628772 is a wasteful number, since it uses less digits than its factorization.

12628772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379 (or 1377 counting only the distinct ones).

The product of its digits is 18816, while the sum is 35.

The square root of 12628772 is about 3553.6983552350. The cubic root of 12628772 is about 232.8736628367.

The spelling of 12628772 in words is "twelve million, six hundred twenty-eight thousand, seven hundred seventy-two".