12977874732 has 24 divisors (see below), whose sum is σ = 32062985136. Its totient is φ = 4071490048.

The previous prime is 12977874697. The next prime is 12977874773. The reversal of 12977874732 is 23747877921.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31808313 + ... + 31808720.

It is an arithmetic number, because the mean of its divisors is an integer number (1335957714).

Almost surely, 2^12977874732 is an apocalyptic number.

12977874732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12977874732 is an abundant number, since it is smaller than the sum of its proper divisors (19085110404).

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

12977874732 is a wasteful number, since it uses less digits than its factorization.

12977874732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63617057 (or 63617055 counting only the distinct ones).

The product of its digits is 8297856, while the sum is 57.

The spelling of 12977874732 in words is "twelve billion, nine hundred seventy-seven million, eight hundred seventy-four thousand, seven hundred thirty-two".