12765996 has 36 divisors (see below), whose sum is σ = 32598384. Its totient is φ = 4212000.

The previous prime is 12765959. The next prime is 12766001. The reversal of 12765996 is 69956721.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 1881 + ... + 5391.

Almost surely, 2^12765996 is an apocalyptic number.

It is an amenable number.

12765996 is an abundant number, since it is smaller than the sum of its proper divisors (19832388).

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

12765996 is a wasteful number, since it uses less digits than its factorization.

12765996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3622 (or 3617 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 12765996 is about 3572.9534001999. The cubic root of 12765996 is about 233.7140930671.

The spelling of 12765996 in words is "twelve million, seven hundred sixty-five thousand, nine hundred ninety-six".