12975513 has 16 divisors (see below), whose sum is σ = 17867520. Its totient is φ = 8371584.

The previous prime is 12975503. The next prime is 12975527. The reversal of 12975513 is 31557921.

It is not a de Polignac number, because 12975513 - 2⁸ = 12975257 is a prime.

It is a super-4 number, since 4×12975513⁴ (a number of 30 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (12975503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12045 + ... + 13077.

It is an arithmetic number, because the mean of its divisors is an integer number (1116720).

Almost surely, 2^12975513 is an apocalyptic number.

It is an amenable number.

12975513 is a deficient number, since it is larger than the sum of its proper divisors (4892007).

12975513 is a wasteful number, since it uses less digits than its factorization.

12975513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168.

The product of its digits is 9450, while the sum is 33.

The square root of 12975513 is about 3602.1539389649. The cubic root of 12975513 is about 234.9857423069.

The spelling of 12975513 in words is "twelve million, nine hundred seventy-five thousand, five hundred thirteen".