12686322 has 32 divisors (see below), whose sum is σ = 27869184. Its totient is φ = 3818000.

The previous prime is 12686321. The next prime is 12686329. The reversal of 12686322 is 22368621.

12686322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12686322.

It is not an unprimeable number, because it can be changed into a prime (12686321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10447 + ... + 11597.

It is an arithmetic number, because the mean of its divisors is an integer number (870912).

Almost surely, 2^12686322 is an apocalyptic number.

12686322 is an abundant number, since it is smaller than the sum of its proper divisors (15182862).

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

12686322 is a wasteful number, since it uses less digits than its factorization.

12686322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334.

The product of its digits is 6912, while the sum is 30.

The square root of 12686322 is about 3561.7863495724. The cubic root of 12686322 is about 233.2268661669.

The spelling of 12686322 in words is "twelve million, six hundred eighty-six thousand, three hundred twenty-two".