12515759 has 2 divisors, whose sum is σ = 12515760. Its totient is φ = 12515758.

The previous prime is 12515753. The next prime is 12515761. The reversal of 12515759 is 95751521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12515759 - 2⁴ = 12515743 is a prime.

It is a Sophie Germain prime.

Together with 12515761, 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 (12515753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6257879 + 6257880.

It is an arithmetic number, because the mean of its divisors is an integer number (6257880).

Almost surely, 2^12515759 is an apocalyptic number.

12515759 is a deficient number, since it is larger than the sum of its proper divisors (1).

12515759 is an equidigital number, since it uses as much as digits as its factorization.

12515759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15750, while the sum is 35.

The square root of 12515759 is about 3537.7618630993. The cubic root of 12515759 is about 232.1769297883.

The spelling of 12515759 in words is "twelve million, five hundred fifteen thousand, seven hundred fifty-nine".