12928768 has 18 divisors (see below), whose sum is σ = 25807544. Its totient is φ = 6464256.

The previous prime is 12928757. The next prime is 12928813. The reversal of 12928768 is 86782921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24996 + ... + 25507.

Almost surely, 2^12928768 is an apocalyptic number.

It is an amenable number.

12928768 is a deficient number, since it is larger than the sum of its proper divisors (12878776).

12928768 is an frugal number, since it uses more digits than its factorization.

12928768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50519 (or 50505 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The square root of 12928768 is about 3595.6596056913. The cubic root of 12928768 is about 234.7032197422.

The spelling of 12928768 in words is "twelve million, nine hundred twenty-eight thousand, seven hundred sixty-eight".