12653513 has 2 divisors, whose sum is σ = 12653514. Its totient is φ = 12653512.

The previous prime is 12653503. The next prime is 12653533. The reversal of 12653513 is 31535621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7689529 + 4963984 = 2773^2 + 2228^2 .

It is a cyclic number.

It is not a de Polignac number, because 12653513 - 2⁴ = 12653497 is a prime.

It is a super-2 number, since 2×12653513² = 320222782482338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12653503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6326756 + 6326757.

It is an arithmetic number, because the mean of its divisors is an integer number (6326757).

Almost surely, 2^12653513 is an apocalyptic number.

It is an amenable number.

12653513 is a deficient number, since it is larger than the sum of its proper divisors (1).

12653513 is an equidigital number, since it uses as much as digits as its factorization.

12653513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 26.

The square root of 12653513 is about 3557.1776733810. The cubic root of 12653513 is about 233.0256377322.

The spelling of 12653513 in words is "twelve million, six hundred fifty-three thousand, five hundred thirteen".