11913959 has 2 divisors, whose sum is σ = 11913960. Its totient is φ = 11913958.

The previous prime is 11913953. The next prime is 11914003. The reversal of 11913959 is 95931911.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (95931911) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11913959 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11913953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5956979 + 5956980.

It is an arithmetic number, because the mean of its divisors is an integer number (5956980).

Almost surely, 2^11913959 is an apocalyptic number.

11913959 is a deficient number, since it is larger than the sum of its proper divisors (1).

11913959 is an equidigital number, since it uses as much as digits as its factorization.

11913959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10935, while the sum is 38.

The square root of 11913959 is about 3451.6603251189. The cubic root of 11913959 is about 228.3943557340.

The spelling of 11913959 in words is "eleven million, nine hundred thirteen thousand, nine hundred fifty-nine".