26012659 has 2 divisors, whose sum is σ = 26012660. Its totient is φ = 26012658.

The previous prime is 26012641. The next prime is 26012671. The reversal of 26012659 is 95621062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26012659 - 2⁷ = 26012531 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26012659.

It is not a weakly prime, because it can be changed into another prime (26012629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13006329 + 13006330.

It is an arithmetic number, because the mean of its divisors is an integer number (13006330).

Almost surely, 2^26012659 is an apocalyptic number.

26012659 is a deficient number, since it is larger than the sum of its proper divisors (1).

26012659 is an equidigital number, since it uses as much as digits as its factorization.

26012659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 26012659 is about 5100.2606796124. The cubic root of 26012659 is about 296.2976788317.

The spelling of 26012659 in words is "twenty-six million, twelve thousand, six hundred fifty-nine".