12515125 has 16 divisors (see below), whose sum is σ = 17851392. Its totient is φ = 8581200.

The previous prime is 12515123. The next prime is 12515159. The reversal of 12515125 is 52151521.

It is a happy number.

It is not a de Polignac number, because 12515125 - 2¹ = 12515123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12515096 and 12515105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12515123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6277 + ... + 8026.

It is an arithmetic number, because the mean of its divisors is an integer number (1115712).

Almost surely, 2^12515125 is an apocalyptic number.

It is an amenable number.

12515125 is a deficient number, since it is larger than the sum of its proper divisors (5336267).

12515125 is an equidigital number, since it uses as much as digits as its factorization.

12515125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14325 (or 14315 counting only the distinct ones).

The product of its digits is 500, while the sum is 22.

The square root of 12515125 is about 3537.6722572901. The cubic root of 12515125 is about 232.1730093266.

Adding to 12515125 its reverse (52151521), we get a palindrome (64666646).

It can be divided in two parts, 125 and 15125, that multiplied together give a square (1890625 = 1375²).

The spelling of 12515125 in words is "twelve million, five hundred fifteen thousand, one hundred twenty-five".