13086320 has 40 divisors (see below), whose sum is σ = 32768736. Its totient is φ = 4831488.

The previous prime is 13086317. The next prime is 13086331. The reversal of 13086320 is 2368031.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×13086320² = 342503542284800, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5252 + ... + 7331.

Almost surely, 2^13086320 is an apocalyptic number.

13086320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13086320 is an abundant number, since it is smaller than the sum of its proper divisors (19682416).

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

13086320 is a wasteful number, since it uses less digits than its factorization.

13086320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12609 (or 12603 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 13086320 is about 3617.5019004833. The cubic root of 13086320 is about 235.6527498645.

The spelling of 13086320 in words is "thirteen million, eighty-six thousand, three hundred twenty".