13315836 has 12 divisors (see below), whose sum is σ = 31070312. Its totient is φ = 4438608.

The previous prime is 13315831. The next prime is 13315849. The reversal of 13315836 is 63851331.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×13315836² = 354622976757792, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13315831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554815 + ... + 554838.

Almost surely, 2^13315836 is an apocalyptic number.

It is an amenable number.

13315836 is an abundant number, since it is smaller than the sum of its proper divisors (17754476).

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

13315836 is a wasteful number, since it uses less digits than its factorization.

13315836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109660 (or 1109658 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 13315836 is about 3649.0870091024. The cubic root of 13315836 is about 237.0224479797.

The spelling of 13315836 in words is "thirteen million, three hundred fifteen thousand, eight hundred thirty-six".