12732874868 has 24 divisors (see below), whose sum is σ = 25717891584. Its totient is φ = 5402916000.

The previous prime is 12732874837. The next prime is 12732874883. The reversal of 12732874868 is 86847823721.

It is a super-2 number, since 2×12732874868² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 2248388 + ... + 2254043.

It is an arithmetic number, because the mean of its divisors is an integer number (1071578816).

Almost surely, 2^12732874868 is an apocalyptic number.

It is an amenable number.

12732874868 is an abundant number, since it is smaller than the sum of its proper divisors (12985016716).

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

12732874868 is a wasteful number, since it uses less digits than its factorization.

12732874868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4502543 (or 4502541 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 56.

The spelling of 12732874868 in words is "twelve billion, seven hundred thirty-two million, eight hundred seventy-four thousand, eight hundred sixty-eight".