13287204 has 36 divisors (see below), whose sum is σ = 38385984. Its totient is φ = 3796272.

The previous prime is 13287179. The next prime is 13287223. The reversal of 13287204 is 40278231.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26112 + ... + 26615.

Almost surely, 2^13287204 is an apocalyptic number.

13287204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13287204 is an abundant number, since it is smaller than the sum of its proper divisors (25098780).

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

13287204 is a wasteful number, since it uses less digits than its factorization.

13287204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52744 (or 52739 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 13287204 is about 3645.1617248073. The cubic root of 13287204 is about 236.8524424650.

The spelling of 13287204 in words is "thirteen million, two hundred eighty-seven thousand, two hundred four".