12515012 has 12 divisors (see below), whose sum is σ = 21954240. Its totient is φ = 6242376.

The previous prime is 12515003. The next prime is 12515023. The reversal of 12515012 is 21051521.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1808 + ... + 5319.

It is an arithmetic number, because the mean of its divisors is an integer number (1829520).

Almost surely, 2^12515012 is an apocalyptic number.

It is an amenable number.

12515012 is a deficient number, since it is larger than the sum of its proper divisors (9439228).

12515012 is a wasteful number, since it uses less digits than its factorization.

12515012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7570 (or 7568 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 12515012 is about 3537.6562863003. The cubic root of 12515012 is about 232.1723105554.

Adding to 12515012 its reverse (21051521), we get a palindrome (33566533).

The spelling of 12515012 in words is "twelve million, five hundred fifteen thousand, twelve".