12132304 has 10 divisors (see below), whose sum is σ = 23506370. Its totient is φ = 6066144.

The previous prime is 12132301. The next prime is 12132311. The reversal of 12132304 is 40323121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12110400 + 21904 = 3480^2 + 148^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 758269 = 12132304 / (1 + 2 + 1 + 3 + 2 + 3 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 379119 + ... + 379150.

It is an arithmetic number, because the mean of its divisors is an integer number (2350637).

Almost surely, 2^12132304 is an apocalyptic number.

It is an amenable number.

12132304 is a deficient number, since it is larger than the sum of its proper divisors (11374066).

12132304 is an equidigital number, since it uses as much as digits as its factorization.

12132304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758277 (or 758271 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 12132304 is about 3483.1457046756. The cubic root of 12132304 is about 229.7811655160.

Adding to 12132304 its reverse (40323121), we get a palindrome (52455425).

The spelling of 12132304 in words is "twelve million, one hundred thirty-two thousand, three hundred four".