12518287 has 2 divisors, whose sum is σ = 12518288. Its totient is φ = 12518286.

The previous prime is 12518267. The next prime is 12518329. The reversal of 12518287 is 78281521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12518287 - 2⁷ = 12518159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12518257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6259143 + 6259144.

It is an arithmetic number, because the mean of its divisors is an integer number (6259144).

Almost surely, 2^12518287 is an apocalyptic number.

12518287 is a deficient number, since it is larger than the sum of its proper divisors (1).

12518287 is an equidigital number, since it uses as much as digits as its factorization.

12518287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8960, while the sum is 34.

The square root of 12518287 is about 3538.1191330988. The cubic root of 12518287 is about 232.1925608490.

The spelling of 12518287 in words is "twelve million, five hundred eighteen thousand, two hundred eighty-seven".