13612573404 has 72 divisors (see below), whose sum is σ = 36449260848. Its totient is φ = 4268782080.

The previous prime is 13612573333. The next prime is 13612573411. The reversal of 13612573404 is 40437521631.

13612573404 is a `hidden beast` number, since 1 + 3 + 61 + 257 + 340 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2500974 + ... + 2506410.

It is an arithmetic number, because the mean of its divisors is an integer number (506239734).

Almost surely, 2^13612573404 is an apocalyptic number.

It is an amenable number.

13612573404 is an abundant number, since it is smaller than the sum of its proper divisors (22836687444).

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

13612573404 is a wasteful number, since it uses less digits than its factorization.

13612573404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9555 (or 9550 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 13612573404 in words is "thirteen billion, six hundred twelve million, five hundred seventy-three thousand, four hundred four".