12976428 has 12 divisors (see below), whose sum is σ = 30278360. Its totient is φ = 4325472.

The previous prime is 12976417. The next prime is 12976451. The reversal of 12976428 is 82467921.

It is a tau number, because it is divible by the number of its divisors (12).

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, 540673 + ... + 540696.

Almost surely, 2^12976428 is an apocalyptic number.

It is an amenable number.

12976428 is an abundant number, since it is smaller than the sum of its proper divisors (17301932).

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

12976428 is a wasteful number, since it uses less digits than its factorization.

12976428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081376 (or 1081374 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 12976428 is about 3602.2809440686. The cubic root of 12976428 is about 234.9912657083.

The spelling of 12976428 in words is "twelve million, nine hundred seventy-six thousand, four hundred twenty-eight".