12865725 has 36 divisors (see below), whose sum is σ = 23238592. Its totient is φ = 6804000.

The previous prime is 12865711. The next prime is 12865757. The reversal of 12865725 is 52756821.

It is a happy number.

12865725 is a `hidden beast` number, since 1 + 2 + 86 + 572 + 5 = 666.

12865725 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12865725 - 2⁴ = 12865709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12865725.

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 47340 + ... + 47610.

Almost surely, 2^12865725 is an apocalyptic number.

12865725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12865725 is a deficient number, since it is larger than the sum of its proper divisors (10372867).

12865725 is a wasteful number, since it uses less digits than its factorization.

12865725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 490 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 12865725 is about 3586.8823510118. The cubic root of 12865725 is about 234.3211129447.

The spelling of 12865725 in words is "twelve million, eight hundred sixty-five thousand, seven hundred twenty-five".