12684925 has 24 divisors (see below), whose sum is σ = 17320320. Its totient is φ = 9139200.

The previous prime is 12684923. The next prime is 12684929. The reversal of 12684925 is 52948621.

It is not a de Polignac number, because 12684925 - 2¹ = 12684923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12684923) 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 23 ways as a sum of consecutive naturals, for example, 52956 + ... + 53194.

It is an arithmetic number, because the mean of its divisors is an integer number (721680).

Almost surely, 2^12684925 is an apocalyptic number.

It is an amenable number.

12684925 is a deficient number, since it is larger than the sum of its proper divisors (4635395).

12684925 is a wasteful number, since it uses less digits than its factorization.

12684925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453 (or 448 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 12684925 is about 3561.5902347126. The cubic root of 12684925 is about 233.2183049808.

The spelling of 12684925 in words is "twelve million, six hundred eighty-four thousand, nine hundred twenty-five".