12928992 has 24 divisors (see below), whose sum is σ = 33938856. Its totient is φ = 4309632.

The previous prime is 12928969. The next prime is 12928999. The reversal of 12928992 is 29982921.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12928999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67243 + ... + 67434.

It is an arithmetic number, because the mean of its divisors is an integer number (1414119).

Almost surely, 2^12928992 is an apocalyptic number.

12928992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12928992 is an abundant number, since it is smaller than the sum of its proper divisors (21009864).

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

12928992 is a wasteful number, since it uses less digits than its factorization.

12928992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134690 (or 134682 counting only the distinct ones).

The product of its digits is 46656, while the sum is 42.

The square root of 12928992 is about 3595.6907542223. The cubic root of 12928992 is about 234.7045752005.

The spelling of 12928992 in words is "twelve million, nine hundred twenty-eight thousand, nine hundred ninety-two".