12810992 has 10 divisors (see below), whose sum is σ = 24821328. Its totient is φ = 6405488.

The previous prime is 12810971. The next prime is 12811009. The reversal of 12810992 is 29901821.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 400328 + ... + 400359.

Almost surely, 2^12810992 is an apocalyptic number.

It is an amenable number.

12810992 is a deficient number, since it is larger than the sum of its proper divisors (12010336).

12810992 is an equidigital number, since it uses as much as digits as its factorization.

12810992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800695 (or 800689 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 12810992 is about 3579.2446130434. The cubic root of 12810992 is about 233.9883599051.

The spelling of 12810992 in words is "twelve million, eight hundred ten thousand, nine hundred ninety-two".