12825687 has 16 divisors (see below), whose sum is σ = 19740672. Its totient is φ = 7255200.

The previous prime is 12825679. The next prime is 12825691. The reversal of 12825687 is 78652821.

It is not a de Polignac number, because 12825687 - 2³ = 12825679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12825607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 903 + ... + 5144.

It is an arithmetic number, because the mean of its divisors is an integer number (1233792).

Almost surely, 2^12825687 is an apocalyptic number.

12825687 is a deficient number, since it is larger than the sum of its proper divisors (6914985).

12825687 is a wasteful number, since it uses less digits than its factorization.

12825687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6158.

The product of its digits is 53760, while the sum is 39.

The square root of 12825687 is about 3581.2968321545. The cubic root of 12825687 is about 234.0777920916.

The spelling of 12825687 in words is "twelve million, eight hundred twenty-five thousand, six hundred eighty-seven".