12685825 has 24 divisors (see below), whose sum is σ = 17543520. Its totient is φ = 9043200.

The previous prime is 12685763. The next prime is 12685837. The reversal of 12685825 is 52858621.

It is not a de Polignac number, because 12685825 - 2⁹ = 12685313 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7290 + ... + 8860.

It is an arithmetic number, because the mean of its divisors is an integer number (730980).

Almost surely, 2^12685825 is an apocalyptic number.

It is an amenable number.

12685825 is a deficient number, since it is larger than the sum of its proper divisors (4857695).

12685825 is a wasteful number, since it uses less digits than its factorization.

12685825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617 (or 1612 counting only the distinct ones).

The product of its digits is 38400, while the sum is 37.

The square root of 12685825 is about 3561.7165805269. The cubic root of 12685825 is about 233.2238204913.

The spelling of 12685825 in words is "twelve million, six hundred eighty-five thousand, eight hundred twenty-five".