12131332 has 24 divisors (see below), whose sum is σ = 21887712. Its totient is φ = 5880000.

The previous prime is 12131321. The next prime is 12131347. The reversal of 12131332 is 23313121.

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, 43032 + ... + 43312.

It is an arithmetic number, because the mean of its divisors is an integer number (911988).

Almost surely, 2^12131332 is an apocalyptic number.

It is an amenable number.

12131332 is a deficient number, since it is larger than the sum of its proper divisors (9756380).

12131332 is a wasteful number, since it uses less digits than its factorization.

12131332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579 (or 577 counting only the distinct ones).

The product of its digits is 108, while the sum is 16.

The square root of 12131332 is about 3483.0061728340. The cubic root of 12131332 is about 229.7750289169.

Adding to 12131332 its reverse (23313121), we get a palindrome (35444453).

The spelling of 12131332 in words is "twelve million, one hundred thirty-one thousand, three hundred thirty-two".