12928648 has 16 divisors (see below), whose sum is σ = 24353280. Its totient is φ = 6434448.

The previous prime is 12928637. The next prime is 12928673. The reversal of 12928648 is 84682921.

It is a self number, because there is not a number n which added to its sum of digits gives 12928648.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1840 + ... + 5407.

It is an arithmetic number, because the mean of its divisors is an integer number (1522080).

Almost surely, 2^12928648 is an apocalyptic number.

It is an amenable number.

12928648 is a deficient number, since it is larger than the sum of its proper divisors (11424632).

12928648 is a wasteful number, since it uses less digits than its factorization.

12928648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7476 (or 7472 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 12928648 is about 3595.6429188672. The cubic root of 12928648 is about 234.7024935973.

The spelling of 12928648 in words is "twelve million, nine hundred twenty-eight thousand, six hundred forty-eight".