13308816 has 40 divisors (see below), whose sum is σ = 36193120. Its totient is φ = 4202496.

The previous prime is 13308803. The next prime is 13308839. The reversal of 13308816 is 61880331.

It is a congruent number.

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, 6385 + ... + 8208.

It is an arithmetic number, because the mean of its divisors is an integer number (904828).

Almost surely, 2^13308816 is an apocalyptic number.

13308816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13308816 is an abundant number, since it is smaller than the sum of its proper divisors (22884304).

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

13308816 is a wasteful number, since it uses less digits than its factorization.

13308816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14623 (or 14617 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 13308816 is about 3648.1249978585. The cubic root of 13308816 is about 236.9807885583.

The spelling of 13308816 in words is "thirteen million, three hundred eight thousand, eight hundred sixteen".