12133972 has 12 divisors (see below), whose sum is σ = 22157856. Its totient is φ = 5803160.

The previous prime is 12133969. The next prime is 12133973. The reversal of 12133972 is 27933121.

It is a self number, because there is not a number n which added to its sum of digits gives 12133972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133973) 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, 65854 + ... + 66037.

It is an arithmetic number, because the mean of its divisors is an integer number (1846488).

Almost surely, 2^12133972 is an apocalyptic number.

It is an amenable number.

12133972 is a deficient number, since it is larger than the sum of its proper divisors (10023884).

12133972 is a wasteful number, since it uses less digits than its factorization.

12133972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131918 (or 131916 counting only the distinct ones).

The product of its digits is 2268, while the sum is 28.

The square root of 12133972 is about 3483.3851351810. The cubic root of 12133972 is about 229.7916954594.

The spelling of 12133972 in words is "twelve million, one hundred thirty-three thousand, nine hundred seventy-two".