12612972 has 12 divisors (see below), whose sum is σ = 29430296. Its totient is φ = 4204320.

The previous prime is 12612959. The next prime is 12612973. The reversal of 12612972 is 27921621.

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

It is not an unprimeable number, because it can be changed into a prime (12612973) 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, 525529 + ... + 525552.

Almost surely, 2^12612972 is an apocalyptic number.

12612972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12612972 is an abundant number, since it is smaller than the sum of its proper divisors (16817324).

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

12612972 is a wasteful number, since it uses less digits than its factorization.

12612972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051088 (or 1051086 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 12612972 is about 3551.4746233079. The cubic root of 12612972 is about 232.7765053461.

The spelling of 12612972 in words is "twelve million, six hundred twelve thousand, nine hundred seventy-two".