13225686 has 16 divisors (see below), whose sum is σ = 26497200. Its totient is φ = 4400928.

The previous prime is 13225631. The next prime is 13225699. The reversal of 13225686 is 68652231.

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, 2700 + ... + 5808.

It is an arithmetic number, because the mean of its divisors is an integer number (1656075).

Almost surely, 2^13225686 is an apocalyptic number.

13225686 is an abundant number, since it is smaller than the sum of its proper divisors (13271514).

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

13225686 is a wasteful number, since it uses less digits than its factorization.

13225686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823.

The product of its digits is 17280, while the sum is 33.

The square root of 13225686 is about 3636.7136263390. The cubic root of 13225686 is about 236.4863450437.

The spelling of 13225686 in words is "thirteen million, two hundred twenty-five thousand, six hundred eighty-six".