12515025 has 12 divisors (see below), whose sum is σ = 20691632. Its totient is φ = 6674640.

The previous prime is 12515023. The next prime is 12515029. The reversal of 12515025 is 52051521.

It is not a de Polignac number, because 12515025 - 2¹ = 12515023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12514992 and 12515010.

It is not an unprimeable number, because it can be changed into a prime (12515023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83359 + ... + 83508.

Almost surely, 2^12515025 is an apocalyptic number.

12515025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12515025 is a deficient number, since it is larger than the sum of its proper divisors (8176607).

12515025 is a wasteful number, since it uses less digits than its factorization.

12515025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166880 (or 166875 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 12515025 is about 3537.6581236745. The cubic root of 12515025 is about 232.1723909452.

Adding to 12515025 its reverse (52051521), we get a palindrome (64566546).

The spelling of 12515025 in words is "twelve million, five hundred fifteen thousand, twenty-five".