12324132 has 18 divisors (see below), whose sum is σ = 31152758. Its totient is φ = 4108032.

The previous prime is 12324127. The next prime is 12324139. The reversal of 12324132 is 23142321.

It can be written as a sum of positive squares in only one way, i.e., 8259876 + 4064256 = 2874^2 + 2016^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (12324139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 171133 + ... + 171204.

Almost surely, 2^12324132 is an apocalyptic number.

12324132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12324132 is an abundant number, since it is smaller than the sum of its proper divisors (18828626).

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

12324132 is a wasteful number, since it uses less digits than its factorization.

12324132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342347 (or 342342 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 12324132 is about 3510.5743119894. The cubic root of 12324132 is about 230.9858877082.

Adding to 12324132 its reverse (23142321), we get a palindrome (35466453).

The spelling of 12324132 in words is "twelve million, three hundred twenty-four thousand, one hundred thirty-two".