12637575632 has 40 divisors (see below), whose sum is σ = 27362748672. Its totient is φ = 5604243200.

The previous prime is 12637575571. The next prime is 12637575641. The reversal of 12637575632 is 23657573621.

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, 868448 + ... + 882879.

Almost surely, 2^12637575632 is an apocalyptic number.

It is an amenable number.

12637575632 is an abundant number, since it is smaller than the sum of its proper divisors (14725173040).

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

12637575632 is a wasteful number, since it uses less digits than its factorization.

12637575632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751387 (or 1751381 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 47.

The spelling of 12637575632 in words is "twelve billion, six hundred thirty-seven million, five hundred seventy-five thousand, six hundred thirty-two".