11657959 has 2 divisors, whose sum is σ = 11657960. Its totient is φ = 11657958.

The previous prime is 11657957. The next prime is 11657969. The reversal of 11657959 is 95975611.

It is a weak prime.

It is an emirp because it is prime and its reverse (95975611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11657959 - 2¹ = 11657957 is a prime.

Together with 11657957, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11657957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5828979 + 5828980.

It is an arithmetic number, because the mean of its divisors is an integer number (5828980).

Almost surely, 2^11657959 is an apocalyptic number.

11657959 is a deficient number, since it is larger than the sum of its proper divisors (1).

11657959 is an equidigital number, since it uses as much as digits as its factorization.

11657959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 85050, while the sum is 43.

The square root of 11657959 is about 3414.3753455061. The cubic root of 11657959 is about 226.7466300437.

The spelling of 11657959 in words is "eleven million, six hundred fifty-seven thousand, nine hundred fifty-nine".