12697459 has 2 divisors, whose sum is σ = 12697460. Its totient is φ = 12697458.

The previous prime is 12697441. The next prime is 12697463. The reversal of 12697459 is 95479621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12697459 - 2⁹ = 12696947 is a prime.

It is a super-2 number, since 2×12697459² = 322450930113362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12697409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6348729 + 6348730.

It is an arithmetic number, because the mean of its divisors is an integer number (6348730).

Almost surely, 2^12697459 is an apocalyptic number.

12697459 is a deficient number, since it is larger than the sum of its proper divisors (1).

12697459 is an equidigital number, since it uses as much as digits as its factorization.

12697459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 43.

The square root of 12697459 is about 3563.3494075097. The cubic root of 12697459 is about 233.2950941871.

The spelling of 12697459 in words is "twelve million, six hundred ninety-seven thousand, four hundred fifty-nine".