12132324 has 36 divisors (see below), whose sum is σ = 31728060. Its totient is φ = 3904320.

The previous prime is 12132319. The next prime is 12132331. The reversal of 12132324 is 42323121.

It can be written as a sum of positive squares in 2 ways, for example, as 3240000 + 8892324 = 1800^2 + 2982^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 a junction number, because it is equal to n+sod(n) for n = 12132297 and 12132306.

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, 4767 + ... + 6854.

It is an arithmetic number, because the mean of its divisors is an integer number (881335).

Almost surely, 2^12132324 is an apocalyptic number.

It is an amenable number.

12132324 is an abundant number, since it is smaller than the sum of its proper divisors (19595736).

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

12132324 is a wasteful number, since it uses less digits than its factorization.

12132324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11660 (or 11655 counting only the distinct ones).

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

The square root of 12132324 is about 3483.1485756424. The cubic root of 12132324 is about 229.7812917801.

Adding to 12132324 its reverse (42323121), we get a palindrome (54455445).

The spelling of 12132324 in words is "twelve million, one hundred thirty-two thousand, three hundred twenty-four".