13231204 has 12 divisors (see below), whose sum is σ = 26462464. Its totient is φ = 5670504.

The previous prime is 13231189. The next prime is 13231247. The reversal of 13231204 is 40213231.

It is a happy number.

13231204 is an admirable 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, 236244 + ... + 236299.

Almost surely, 2^13231204 is an apocalyptic number.

13231204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13231204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13231204 is a wasteful number, since it uses less digits than its factorization.

13231204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472554 (or 472552 counting only the distinct ones).

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

The square root of 13231204 is about 3637.4721992065. The cubic root of 13231204 is about 236.5192292917.

Adding to 13231204 its reverse (40213231), we get a palindrome (53444435).

The spelling of 13231204 in words is "thirteen million, two hundred thirty-one thousand, two hundred four".