12897259 has 2 divisors, whose sum is σ = 12897260. Its totient is φ = 12897258.

The previous prime is 12897253. The next prime is 12897263. The reversal of 12897259 is 95279821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12897259 - 2³ = 12897251 is a prime.

It is not a weakly prime, because it can be changed into another prime (12897251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6448629 + 6448630.

It is an arithmetic number, because the mean of its divisors is an integer number (6448630).

Almost surely, 2^12897259 is an apocalyptic number.

12897259 is a deficient number, since it is larger than the sum of its proper divisors (1).

12897259 is an equidigital number, since it uses as much as digits as its factorization.

12897259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 43.

The square root of 12897259 is about 3591.2754001886. The cubic root of 12897259 is about 234.5123977546.

The spelling of 12897259 in words is "twelve million, eight hundred ninety-seven thousand, two hundred fifty-nine".