12324131 has 4 divisors (see below), whose sum is σ = 12333192. Its totient is φ = 12315072.

The previous prime is 12324127. The next prime is 12324139. The reversal of 12324131 is 13142321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12324131 - 2² = 12324127 is a prime.

It is a super-2 number, since 2×12324131² = 303768409810322, which contains 22 as substring.

It is a Duffinian number.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2030 + ... + 5363.

It is an arithmetic number, because the mean of its divisors is an integer number (3083298).

Almost surely, 2^12324131 is an apocalyptic number.

12324131 is a deficient number, since it is larger than the sum of its proper divisors (9061).

12324131 is an equidigital number, since it uses as much as digits as its factorization.

12324131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9060.

The product of its digits is 144, while the sum is 17.

The square root of 12324131 is about 3510.5741695626. The cubic root of 12324131 is about 230.9858814606.

Adding to 12324131 its reverse (13142321), we get a palindrome (25466452).

The spelling of 12324131 in words is "twelve million, three hundred twenty-four thousand, one hundred thirty-one".