13022156 has 12 divisors (see below), whose sum is σ = 26044368. Its totient is φ = 5580912.

The previous prime is 13022147. The next prime is 13022161. The reversal of 13022156 is 65122031.

13022156 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 232511 + ... + 232566.

It is an arithmetic number, because the mean of its divisors is an integer number (2170364).

Almost surely, 2^13022156 is an apocalyptic number.

It is an amenable number.

13022156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13022156 is a wasteful number, since it uses less digits than its factorization.

13022156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465088 (or 465086 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 13022156 is about 3608.6224518506. The cubic root of 13022156 is about 235.2669728833.

Adding to 13022156 its reverse (65122031), we get a palindrome (78144187).

The spelling of 13022156 in words is "thirteen million, twenty-two thousand, one hundred fifty-six".