11659879 has 16 divisors (see below), whose sum is σ = 14641920. Its totient is φ = 9020160.

The previous prime is 11659871. The next prime is 11659891. The reversal of 11659879 is 97895611.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11659879 - 2³ = 11659871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11659871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12087 + ... + 13015.

It is an arithmetic number, because the mean of its divisors is an integer number (915120).

Almost surely, 2^11659879 is an apocalyptic number.

11659879 is a deficient number, since it is larger than the sum of its proper divisors (2982041).

11659879 is a wasteful number, since it uses less digits than its factorization.

11659879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110.

The product of its digits is 136080, while the sum is 46.

The square root of 11659879 is about 3414.6564980976. The cubic root of 11659879 is about 226.7590773234.

It can be divided in two parts, 116 and 59879, that added together give a palindrome (59995).

The spelling of 11659879 in words is "eleven million, six hundred fifty-nine thousand, eight hundred seventy-nine".