12725766 has 12 divisors (see below), whose sum is σ = 27572532. Its totient is φ = 4241916.

The previous prime is 12725749. The next prime is 12725771. The reversal of 12725766 is 66752721.

12725766 is a `hidden beast` number, since 12 + 72 + 576 + 6 = 666.

It is a super-3 number, since 3×12725766³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12725766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 353476 + ... + 353511.

It is an arithmetic number, because the mean of its divisors is an integer number (2297711).

Almost surely, 2^12725766 is an apocalyptic number.

12725766 is an abundant number, since it is smaller than the sum of its proper divisors (14846766).

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

12725766 is a wasteful number, since it uses less digits than its factorization.

12725766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706995 (or 706992 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 12725766 is about 3567.3191614993. The cubic root of 12725766 is about 233.4683304979.

The spelling of 12725766 in words is "twelve million, seven hundred twenty-five thousand, seven hundred sixty-six".