12928704 has 84 divisors (see below), whose sum is σ = 36493704. Its totient is φ = 4038656.

The previous prime is 12928697. The next prime is 12928711. The reversal of 12928704 is 40782921.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12928697) and next prime (12928711).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55372 + ... + 55604.

Almost surely, 2^12928704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12928704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18246852).

12928704 is an abundant number, since it is smaller than the sum of its proper divisors (23565000).

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

12928704 is a wasteful number, since it uses less digits than its factorization.

12928704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 12928704 is about 3595.6507060614. The cubic root of 12928704 is about 234.7028324655.

The spelling of 12928704 in words is "twelve million, nine hundred twenty-eight thousand, seven hundred four".