11864659 has 2 divisors, whose sum is σ = 11864660. Its totient is φ = 11864658.

The previous prime is 11864653. The next prime is 11864669. The reversal of 11864659 is 95646811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11864659 - 2⁵ = 11864627 is a prime.

It is not a weakly prime, because it can be changed into another prime (11864653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5932329 + 5932330.

It is an arithmetic number, because the mean of its divisors is an integer number (5932330).

Almost surely, 2^11864659 is an apocalyptic number.

11864659 is a deficient number, since it is larger than the sum of its proper divisors (1).

11864659 is an equidigital number, since it uses as much as digits as its factorization.

11864659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 40.

The square root of 11864659 is about 3444.5114312483. The cubic root of 11864659 is about 228.0788880089.

The spelling of 11864659 in words is "eleven million, eight hundred sixty-four thousand, six hundred fifty-nine".