12717625 has 8 divisors (see below), whose sum is σ = 15871752. Its totient is φ = 10174000.

The previous prime is 12717623. The next prime is 12717647. The reversal of 12717625 is 52671721.

It can be written as a sum of positive squares in 4 ways, for example, as 3884841 + 8832784 = 1971^2 + 2972^2 .

It is not a de Polignac number, because 12717625 - 2¹ = 12717623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12717623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50746 + ... + 50995.

It is an arithmetic number, because the mean of its divisors is an integer number (1983969).

Almost surely, 2^12717625 is an apocalyptic number.

It is an amenable number.

12717625 is a deficient number, since it is larger than the sum of its proper divisors (3154127).

12717625 is an equidigital number, since it uses as much as digits as its factorization.

12717625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101756 (or 101746 counting only the distinct ones).

The product of its digits is 5880, while the sum is 31.

The square root of 12717625 is about 3566.1779260155. The cubic root of 12717625 is about 233.4185346447.

The spelling of 12717625 in words is "twelve million, seven hundred seventeen thousand, six hundred twenty-five".