12992156 has 12 divisors (see below), whose sum is σ = 23010792. Its totient is φ = 6417648.

The previous prime is 12992153. The next prime is 12992159. The reversal of 12992156 is 65129921.

It is an interprime number because it is at equal distance from previous prime (12992153) and next prime (12992159).

It is a super-2 number, since 2×12992156² = 337592235056672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12992153) by changing a digit.

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, 19235 + ... + 19898.

It is an arithmetic number, because the mean of its divisors is an integer number (1917566).

Almost surely, 2^12992156 is an apocalyptic number.

It is an amenable number.

12992156 is a deficient number, since it is larger than the sum of its proper divisors (10018636).

12992156 is a wasteful number, since it uses less digits than its factorization.

12992156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39220 (or 39218 counting only the distinct ones).

The product of its digits is 9720, while the sum is 35.

The square root of 12992156 is about 3604.4633442442. The cubic root of 12992156 is about 235.0861672846.

The spelling of 12992156 in words is "twelve million, nine hundred ninety-two thousand, one hundred fifty-six".