13634604 has 18 divisors (see below), whose sum is σ = 34465340. Its totient is φ = 4544856.

The previous prime is 13634603. The next prime is 13634633. The reversal of 13634604 is 40643631.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (13634603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 189334 + ... + 189405.

Almost surely, 2^13634604 is an apocalyptic number.

It is an amenable number.

13634604 is an abundant number, since it is smaller than the sum of its proper divisors (20830736).

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

13634604 is a wasteful number, since it uses less digits than its factorization.

13634604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378749 (or 378744 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 13634604 is about 3692.5064658034. The cubic root of 13634604 is about 238.8989144361.

The spelling of 13634604 in words is "thirteen million, six hundred thirty-four thousand, six hundred four".