12917625 has 96 divisors (see below), whose sum is σ = 27031680. Its totient is φ = 5443200.

The previous prime is 12917623. The next prime is 12917627. The reversal of 12917625 is 52671921.

It is an interprime number because it is at equal distance from previous prime (12917623) and next prime (12917627).

It is not a de Polignac number, because 12917625 - 2¹ = 12917623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12917623) 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 95 ways as a sum of consecutive naturals, for example, 349107 + ... + 349143.

It is an arithmetic number, because the mean of its divisors is an integer number (281580).

Almost surely, 2^12917625 is an apocalyptic number.

12917625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12917625 is an abundant number, since it is smaller than the sum of its proper divisors (14114055).

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

12917625 is a wasteful number, since it uses less digits than its factorization.

12917625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 71 counting only the distinct ones).

The product of its digits is 7560, while the sum is 33.

The square root of 12917625 is about 3594.1097646010. The cubic root of 12917625 is about 234.6357719727.

The spelling of 12917625 in words is "twelve million, nine hundred seventeen thousand, six hundred twenty-five".