12510513 has 12 divisors (see below), whose sum is σ = 18694260. Its totient is φ = 8052576.

The previous prime is 12510473. The next prime is 12510517. The reversal of 12510513 is 31501521.

It can be written as a sum of positive squares in 2 ways, for example, as 6517809 + 5992704 = 2553^2 + 2448^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12510513 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12510517) 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, 23706 + ... + 24227.

It is an arithmetic number, because the mean of its divisors is an integer number (1557855).

Almost surely, 2^12510513 is an apocalyptic number.

It is an amenable number.

12510513 is a deficient number, since it is larger than the sum of its proper divisors (6183747).

12510513 is a wasteful number, since it uses less digits than its factorization.

12510513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47968 (or 47965 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 12510513 is about 3537.0203561755. The cubic root of 12510513 is about 232.1444861469.

The spelling of 12510513 in words is "twelve million, five hundred ten thousand, five hundred thirteen".