12156132 has 24 divisors (see below), whose sum is σ = 28504672. Its totient is φ = 4032000.

The previous prime is 12156119. The next prime is 12156149. The reversal of 12156132 is 23165121.

It is a junction number, because it is equal to n+sod(n) for n = 12156099 and 12156108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132 + ... + 4932.

Almost surely, 2^12156132 is an apocalyptic number.

12156132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12156132 is an abundant number, since it is smaller than the sum of its proper divisors (16348540).

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

12156132 is a wasteful number, since it uses less digits than its factorization.

12156132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5019 (or 5017 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 12156132 is about 3486.5644981844. The cubic root of 12156132 is about 229.9314981884.

The spelling of 12156132 in words is "twelve million, one hundred fifty-six thousand, one hundred thirty-two".