13868604 has 24 divisors (see below), whose sum is σ = 35955920. Its totient is φ = 4622832.

The previous prime is 13868587. The next prime is 13868611. The reversal of 13868604 is 40686831.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 64099 + ... + 64314.

Almost surely, 2^13868604 is an apocalyptic number.

It is an amenable number.

13868604 is an abundant number, since it is smaller than the sum of its proper divisors (22087316).

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

13868604 is a wasteful number, since it uses less digits than its factorization.

13868604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128426 (or 128418 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 13868604 is about 3724.0574646479. The cubic root of 13868604 is about 240.2578478778.

The spelling of 13868604 in words is "thirteen million, eight hundred sixty-eight thousand, six hundred four".