12637801652 has 48 divisors (see below), whose sum is σ = 26301918720. Its totient is φ = 5200548192.

The previous prime is 12637801639. The next prime is 12637801679. The reversal of 12637801652 is 25610873621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17918 + ... + 159989.

It is an arithmetic number, because the mean of its divisors is an integer number (547956640).

Almost surely, 2^12637801652 is an apocalyptic number.

It is an amenable number.

12637801652 is an abundant number, since it is smaller than the sum of its proper divisors (13664117068).

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

12637801652 is a wasteful number, since it uses less digits than its factorization.

12637801652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178020 (or 178018 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 12637801652 in words is "twelve billion, six hundred thirty-seven million, eight hundred one thousand, six hundred fifty-two".