12133232 has 20 divisors (see below), whose sum is σ = 23908440. Its totient is φ = 5963328.

The previous prime is 12133217. The next prime is 12133241. The reversal of 12133232 is 23233121.

It is a self number, because there is not a number n which added to its sum of digits gives 12133232.

It is a congruent number.

It is an unprimeable number.

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, 5483 + ... + 7370.

It is an arithmetic number, because the mean of its divisors is an integer number (1195422).

Almost surely, 2^12133232 is an apocalyptic number.

It is an amenable number.

12133232 is a deficient number, since it is larger than the sum of its proper divisors (11775208).

12133232 is a wasteful number, since it uses less digits than its factorization.

12133232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12920 (or 12914 counting only the distinct ones).

The product of its digits is 216, while the sum is 17.

The square root of 12133232 is about 3483.2789150454. The cubic root of 12133232 is about 229.7870240209.

Adding to 12133232 its reverse (23233121), we get a palindrome (35366353).

The spelling of 12133232 in words is "twelve million, one hundred thirty-three thousand, two hundred thirty-two".