12518897 has 2 divisors, whose sum is σ = 12518898. Its totient is φ = 12518896.

The previous prime is 12518887. The next prime is 12518903. The reversal of 12518897 is 79881521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10491121 + 2027776 = 3239^2 + 1424^2 .

It is a cyclic number.

It is not a de Polignac number, because 12518897 - 2⁴ = 12518881 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12518837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6259448 + 6259449.

It is an arithmetic number, because the mean of its divisors is an integer number (6259449).

Almost surely, 2^12518897 is an apocalyptic number.

It is an amenable number.

12518897 is a deficient number, since it is larger than the sum of its proper divisors (1).

12518897 is an equidigital number, since it uses as much as digits as its factorization.

12518897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 41.

The square root of 12518897 is about 3538.2053360426. The cubic root of 12518897 is about 232.1963322692.

The spelling of 12518897 in words is "twelve million, five hundred eighteen thousand, eight hundred ninety-seven".