12805772 has 24 divisors (see below), whose sum is σ = 26960640. Its totient is φ = 5199120.

The previous prime is 12805763. The next prime is 12805789. The reversal of 12805772 is 27750821.

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 7 ways as a sum of consecutive naturals, for example, 11504 + ... + 12567.

It is an arithmetic number, because the mean of its divisors is an integer number (1123360).

Almost surely, 2^12805772 is an apocalyptic number.

It is an amenable number.

12805772 is an abundant number, since it is smaller than the sum of its proper divisors (14154868).

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

12805772 is a wasteful number, since it uses less digits than its factorization.

12805772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24101 (or 24099 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 12805772 is about 3578.5153346046. The cubic root of 12805772 is about 233.9565750865.

The spelling of 12805772 in words is "twelve million, eight hundred five thousand, seven hundred seventy-two".