12637740632 has 32 divisors (see below), whose sum is σ = 26973838080. Its totient is φ = 5494668960.

The previous prime is 12637740631. The next prime is 12637740659. The reversal of 12637740632 is 23604773621.

It is a self number, because there is not a number n which added to its sum of digits gives 12637740632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12637740631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3119948 + ... + 3123995.

It is an arithmetic number, because the mean of its divisors is an integer number (842932440).

Almost surely, 2^12637740632 is an apocalyptic number.

It is an amenable number.

12637740632 is an abundant number, since it is smaller than the sum of its proper divisors (14336097448).

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

12637740632 is a wasteful number, since it uses less digits than its factorization.

12637740632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6243983 (or 6243979 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 41.

The spelling of 12637740632 in words is "twelve billion, six hundred thirty-seven million, seven hundred forty thousand, six hundred thirty-two".