13305996 has 36 divisors (see below), whose sum is σ = 36693384. Its totient is φ = 4032000.

The previous prime is 13305989. The next prime is 13306031. The reversal of 13305996 is 69950331.

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 a self number, because there is not a number n which added to its sum of digits gives 13305996.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16405 + ... + 17196.

Almost surely, 2^13305996 is an apocalyptic number.

It is an amenable number.

13305996 is an abundant number, since it is smaller than the sum of its proper divisors (23387388).

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

13305996 is a wasteful number, since it uses less digits than its factorization.

13305996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33622 (or 33617 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 36.

The square root of 13305996 is about 3647.7384774679. The cubic root of 13305996 is about 236.9640494527.

The spelling of 13305996 in words is "thirteen million, three hundred five thousand, nine hundred ninety-six".