13231996 has 12 divisors (see below), whose sum is σ = 23254560. Its totient is φ = 6587840.

The previous prime is 13231991. The next prime is 13231997. The reversal of 13231996 is 69913231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5965 + ... + 7876.

It is an arithmetic number, because the mean of its divisors is an integer number (1937880).

Almost surely, 2^13231996 is an apocalyptic number.

It is an amenable number.

13231996 is a deficient number, since it is larger than the sum of its proper divisors (10022564).

13231996 is a wasteful number, since it uses less digits than its factorization.

13231996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14084 (or 14082 counting only the distinct ones).

The product of its digits is 8748, while the sum is 34.

The square root of 13231996 is about 3637.5810643888. The cubic root of 13231996 is about 236.5239484261.

The spelling of 13231996 in words is "thirteen million, two hundred thirty-one thousand, nine hundred ninety-six".