12577612652 has 36 divisors (see below), whose sum is σ = 25245636528. Its totient is φ = 5468522400.

The previous prime is 12577612511. The next prime is 12577612657. The reversal of 12577612652 is 25621677521.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (12577612657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 553799 + ... + 576062.

Almost surely, 2^12577612652 is an apocalyptic number.

It is an amenable number.

12577612652 is an abundant number, since it is smaller than the sum of its proper divisors (12668023876).

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

12577612652 is a wasteful number, since it uses less digits than its factorization.

12577612652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129910 (or 1129897 counting only the distinct ones).

The product of its digits is 352800, while the sum is 44.

The spelling of 12577612652 in words is "twelve billion, five hundred seventy-seven million, six hundred twelve thousand, six hundred fifty-two".