12912412 has 6 divisors (see below), whose sum is σ = 22596728. Its totient is φ = 6456204.

The previous prime is 12912391. The next prime is 12912413. The reversal of 12912412 is 21421921.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12912413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1614048 + ... + 1614055.

Almost surely, 2^12912412 is an apocalyptic number.

It is an amenable number.

12912412 is a deficient number, since it is larger than the sum of its proper divisors (9684316).

12912412 is a wasteful number, since it uses less digits than its factorization.

12912412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3228107 (or 3228105 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

The square root of 12912412 is about 3593.3844770634. The cubic root of 12912412 is about 234.6042047443.

The spelling of 12912412 in words is "twelve million, nine hundred twelve thousand, four hundred twelve".