12513269 has 2 divisors, whose sum is σ = 12513270. Its totient is φ = 12513268.

The previous prime is 12513227. The next prime is 12513271. The reversal of 12513269 is 96231521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7360369 + 5152900 = 2713^2 + 2270^2 .

It is an emirp because it is prime and its reverse (96231521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12513269 - 2²⁰ = 11464693 is a prime.

It is a super-2 number, since 2×12513269² = 313163802132722, which contains 22 as substring.

Together with 12513271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12513209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6256634 + 6256635.

It is an arithmetic number, because the mean of its divisors is an integer number (6256635).

Almost surely, 2^12513269 is an apocalyptic number.

It is an amenable number.

12513269 is a deficient number, since it is larger than the sum of its proper divisors (1).

12513269 is an equidigital number, since it uses as much as digits as its factorization.

12513269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 29.

The square root of 12513269 is about 3537.4099281819. The cubic root of 12513269 is about 232.1615316304.

The spelling of 12513269 in words is "twelve million, five hundred thirteen thousand, two hundred sixty-nine".