12813068976 has 20 divisors (see below), whose sum is σ = 33100428312. Its totient is φ = 4271022976.

The previous prime is 12813068959. The next prime is 12813068977. The reversal of 12813068976 is 67986031821.

It is not an unprimeable number, because it can be changed into a prime (12813068977) 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, 133469421 + ... + 133469516.

Almost surely, 2^12813068976 is an apocalyptic number.

12813068976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12813068976 is an abundant number, since it is smaller than the sum of its proper divisors (20287359336).

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

12813068976 is a wasteful number, since it uses less digits than its factorization.

12813068976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266938948 (or 266938942 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 12813068976 in words is "twelve billion, eight hundred thirteen million, sixty-eight thousand, nine hundred seventy-six".