12516025 has 12 divisors (see below), whose sum is σ = 16195392. Its totient is φ = 9577040.

The previous prime is 12516017. The next prime is 12516037. The reversal of 12516025 is 52061521.

It is not a de Polignac number, because 12516025 - 2³ = 12516017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12515987 and 12516005.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 10309 + ... + 11458.

It is an arithmetic number, because the mean of its divisors is an integer number (1349616).

Almost surely, 2^12516025 is an apocalyptic number.

It is an amenable number.

12516025 is a deficient number, since it is larger than the sum of its proper divisors (3679367).

12516025 is a wasteful number, since it uses less digits than its factorization.

12516025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21800 (or 21795 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 12516025 is about 3537.7994572898. The cubic root of 12516025 is about 232.1785746113.

Adding to 12516025 its reverse (52061521), we get a palindrome (64577546).

The spelling of 12516025 in words is "twelve million, five hundred sixteen thousand, twenty-five".