13899204 has 36 divisors (see below), whose sum is σ = 38329200. Its totient is φ = 4211760.

The previous prime is 13899187. The next prime is 13899209. The reversal of 13899204 is 40299831.

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 (36).

It is not an unprimeable number, because it can be changed into a prime (13899209) 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, 17154 + ... + 17945.

It is an arithmetic number, because the mean of its divisors is an integer number (1064700).

Almost surely, 2^13899204 is an apocalyptic number.

It is an amenable number.

13899204 is an abundant number, since it is smaller than the sum of its proper divisors (24429996).

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

13899204 is a wasteful number, since it uses less digits than its factorization.

13899204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35120 (or 35115 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 13899204 is about 3728.1636230187. The cubic root of 13899204 is about 240.4344215170.

The spelling of 13899204 in words is "thirteen million, eight hundred ninety-nine thousand, two hundred four".