12976816 has 20 divisors (see below), whose sum is σ = 25262272. Its totient is φ = 6457536.

The previous prime is 12976793. The next prime is 12976819. The reversal of 12976816 is 61867921.

It is not an unprimeable number, because it can be changed into a prime (12976819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1750 + ... + 5386.

Almost surely, 2^12976816 is an apocalyptic number.

12976816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12976816 is a deficient number, since it is larger than the sum of its proper divisors (12285456).

12976816 is a wasteful number, since it uses less digits than its factorization.

12976816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3868 (or 3862 counting only the distinct ones).

The product of its digits is 36288, while the sum is 40.

The square root of 12976816 is about 3602.3347984328. The cubic root of 12976816 is about 234.9936077935.

The spelling of 12976816 in words is "twelve million, nine hundred seventy-six thousand, eight hundred sixteen".