13286688 has 24 divisors (see below), whose sum is σ = 34877808. Its totient is φ = 4428864.

The previous prime is 13286683. The next prime is 13286701. The reversal of 13286688 is 88668231.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (13286683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69106 + ... + 69297.

It is an arithmetic number, because the mean of its divisors is an integer number (1453242).

Almost surely, 2^13286688 is an apocalyptic number.

It is an amenable number.

13286688 is an abundant number, since it is smaller than the sum of its proper divisors (21591120).

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

13286688 is a wasteful number, since it uses less digits than its factorization.

13286688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138416 (or 138408 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 13286688 is about 3645.0909453675. The cubic root of 13286688 is about 236.8493764213.

The spelling of 13286688 in words is "thirteen million, two hundred eighty-six thousand, six hundred eighty-eight".