12132912 has 60 divisors (see below), whose sum is σ = 34468280. Its totient is φ = 3674880.

The previous prime is 12132907. The next prime is 12132931. The reversal of 12132912 is 21923121.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4764 + ... + 6852.

Almost surely, 2^12132912 is an apocalyptic number.

12132912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12132912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17234140).

12132912 is an abundant number, since it is smaller than the sum of its proper divisors (22335368).

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

12132912 is a wasteful number, since it uses less digits than its factorization.

12132912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122 (or 2105 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

The square root of 12132912 is about 3483.2329810106. The cubic root of 12132912 is about 229.7850038805.

It can be divided in two parts, 121 and 32912, that added together give a palindrome (33033).

The spelling of 12132912 in words is "twelve million, one hundred thirty-two thousand, nine hundred twelve".