12997012 has 24 divisors (see below), whose sum is σ = 26094656. Its totient is φ = 5548608.

The previous prime is 12997009. The next prime is 12997013. The reversal of 12997012 is 21079921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12997013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8023 + ... + 9505.

Almost surely, 2^12997012 is an apocalyptic number.

It is an amenable number.

12997012 is an abundant number, since it is smaller than the sum of its proper divisors (13097644).

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

12997012 is a wasteful number, since it uses less digits than its factorization.

12997012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807 (or 1805 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 12997012 is about 3605.1368906048. The cubic root of 12997012 is about 235.1154525505.

The spelling of 12997012 in words is "twelve million, nine hundred ninety-seven thousand, twelve".