12986928 has 30 divisors (see below), whose sum is σ = 36345764. Its totient is φ = 4328928.

The previous prime is 12986921. The next prime is 12986933. The reversal of 12986928 is 82968921.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (12986921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44950 + ... + 45237.

Almost surely, 2^12986928 is an apocalyptic number.

12986928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12986928 is an abundant number, since it is smaller than the sum of its proper divisors (23358836).

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

12986928 is a wasteful number, since it uses less digits than its factorization.

12986928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90201 (or 90192 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 12986928 is about 3603.7380592934. The cubic root of 12986928 is about 235.0546304257.

The spelling of 12986928 in words is "twelve million, nine hundred eighty-six thousand, nine hundred twenty-eight".