12718625 has 8 divisors (see below), whose sum is σ = 15873000. Its totient is φ = 10174800.

The previous prime is 12718621. The next prime is 12718631. The reversal of 12718625 is 52681721.

It can be written as a sum of positive squares in 4 ways, for example, as 130321 + 12588304 = 361^2 + 3548^2 .

It is not a de Polignac number, because 12718625 - 2² = 12718621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12718591 and 12718600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12718621) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 50750 + ... + 50999.

It is an arithmetic number, because the mean of its divisors is an integer number (1984125).

Almost surely, 2^12718625 is an apocalyptic number.

It is an amenable number.

12718625 is a deficient number, since it is larger than the sum of its proper divisors (3154375).

12718625 is an equidigital number, since it uses as much as digits as its factorization.

12718625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101764 (or 101754 counting only the distinct ones).

The product of its digits is 6720, while the sum is 32.

The square root of 12718625 is about 3566.3181293878. The cubic root of 12718625 is about 233.4246524646.

The spelling of 12718625 in words is "twelve million, seven hundred eighteen thousand, six hundred twenty-five".