12997122 has 16 divisors (see below), whose sum is σ = 26833152. Its totient is φ = 4192560.

The previous prime is 12997111. The next prime is 12997151. The reversal of 12997122 is 22179921.

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, 34753 + ... + 35124.

It is an arithmetic number, because the mean of its divisors is an integer number (1677072).

Almost surely, 2^12997122 is an apocalyptic number.

12997122 is an abundant number, since it is smaller than the sum of its proper divisors (13836030).

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

12997122 is a wasteful number, since it uses less digits than its factorization.

12997122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69913.

The product of its digits is 4536, while the sum is 33.

The square root of 12997122 is about 3605.1521465813. The cubic root of 12997122 is about 235.1161158473.

The spelling of 12997122 in words is "twelve million, nine hundred ninety-seven thousand, one hundred twenty-two".