12928804 has 24 divisors (see below), whose sum is σ = 25945920. Its totient is φ = 5522016.

The previous prime is 12928757. The next prime is 12928813. The reversal of 12928804 is 40882921.

It is a self number, because there is not a number n which added to its sum of digits gives 12928804.

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, 10299 + ... + 11485.

It is an arithmetic number, because the mean of its divisors is an integer number (1081080).

Almost surely, 2^12928804 is an apocalyptic number.

12928804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12928804 is an abundant number, since it is smaller than the sum of its proper divisors (13017116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12928804 is a wasteful number, since it uses less digits than its factorization.

12928804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587 (or 1585 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 12928804 is about 3595.6646117234. The cubic root of 12928804 is about 234.7034375847.

The spelling of 12928804 in words is "twelve million, nine hundred twenty-eight thousand, eight hundred four".