13204136 has 32 divisors (see below), whose sum is σ = 27168480. Its totient is φ = 5966400.

The previous prime is 13204123. The next prime is 13204157. The reversal of 13204136 is 63140231.

13204136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 19646 + ... + 20306.

It is an arithmetic number, because the mean of its divisors is an integer number (849015).

Almost surely, 2^13204136 is an apocalyptic number.

It is an amenable number.

13204136 is an abundant number, since it is smaller than the sum of its proper divisors (13964344).

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

13204136 is a wasteful number, since it uses less digits than its factorization.

13204136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905 (or 901 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 13204136 is about 3633.7495786033. The cubic root of 13204136 is about 236.3578312004.

Adding to 13204136 its reverse (63140231), we get a palindrome (76344367).

The spelling of 13204136 in words is "thirteen million, two hundred four thousand, one hundred thirty-six".