12936972 has 12 divisors (see below), whose sum is σ = 30186296. Its totient is φ = 4312320.

The previous prime is 12936947. The next prime is 12936977. The reversal of 12936972 is 27963921.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 12936972.

It is not an unprimeable number, because it can be changed into a prime (12936977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539029 + ... + 539052.

Almost surely, 2^12936972 is an apocalyptic number.

12936972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12936972 is an abundant number, since it is smaller than the sum of its proper divisors (17249324).

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

12936972 is a wasteful number, since it uses less digits than its factorization.

12936972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078088 (or 1078086 counting only the distinct ones).

The product of its digits is 40824, while the sum is 39.

The square root of 12936972 is about 3596.8002446619. The cubic root of 12936972 is about 234.7528531921.

The spelling of 12936972 in words is "twelve million, nine hundred thirty-six thousand, nine hundred seventy-two".