11913659 has 2 divisors, whose sum is σ = 11913660. Its totient is φ = 11913658.

The previous prime is 11913647. The next prime is 11913661. The reversal of 11913659 is 95631911.

It is a strong prime.

It is an emirp because it is prime and its reverse (95631911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11913659 - 2²⁰ = 10865083 is a prime.

Together with 11913661, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11913619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5956829 + 5956830.

It is an arithmetic number, because the mean of its divisors is an integer number (5956830).

Almost surely, 2^11913659 is an apocalyptic number.

11913659 is a deficient number, since it is larger than the sum of its proper divisors (1).

11913659 is an equidigital number, since it uses as much as digits as its factorization.

11913659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7290, while the sum is 35.

The square root of 11913659 is about 3451.6168674985. The cubic root of 11913659 is about 228.3924386863.

The spelling of 11913659 in words is "eleven million, nine hundred thirteen thousand, six hundred fifty-nine".