12631992 has 32 divisors (see below), whose sum is σ = 31881600. Its totient is φ = 4170464.

The previous prime is 12631987. The next prime is 12631999. The reversal of 12631992 is 29913621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12631999) 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 in 7 ways as a sum of consecutive naturals, for example, 109 + ... + 5027.

It is an arithmetic number, because the mean of its divisors is an integer number (996300).

Almost surely, 2^12631992 is an apocalyptic number.

12631992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12631992 is an abundant number, since it is smaller than the sum of its proper divisors (19249608).

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

12631992 is a wasteful number, since it uses less digits than its factorization.

12631992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5035 (or 5031 counting only the distinct ones).

The product of its digits is 5832, while the sum is 33.

The square root of 12631992 is about 3554.1513755044. The cubic root of 12631992 is about 232.8934533455.

The spelling of 12631992 in words is "twelve million, six hundred thirty-one thousand, nine hundred ninety-two".