12039132 has 48 divisors (see below), whose sum is σ = 32275712. Its totient is φ = 3421440.

The previous prime is 12039113. The next prime is 12039173. The reversal of 12039132 is 23193021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12039099 and 12039108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27588 + ... + 28020.

Almost surely, 2^12039132 is an apocalyptic number.

12039132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12039132 is an abundant number, since it is smaller than the sum of its proper divisors (20236580).

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

12039132 is a wasteful number, since it uses less digits than its factorization.

12039132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 12039132 is about 3469.7452356045. The cubic root of 12039132 is about 229.1914393642.

The spelling of 12039132 in words is "twelve million, thirty-nine thousand, one hundred thirty-two".