12401604 has 36 divisors (see below), whose sum is σ = 33000240. Its totient is φ = 3916080.

The previous prime is 12401593. The next prime is 12401671. The reversal of 12401604 is 40610421.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8382 + ... + 9749.

Almost surely, 2^12401604 is an apocalyptic number.

It is an amenable number.

12401604 is an abundant number, since it is smaller than the sum of its proper divisors (20598636).

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

12401604 is a wasteful number, since it uses less digits than its factorization.

12401604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18160 (or 18155 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 12401604 is about 3521.5911176626. The cubic root of 12401604 is about 231.4688851321.

The spelling of 12401604 in words is "twelve million, four hundred one thousand, six hundred four".