11656117 has 4 divisors (see below), whose sum is σ = 12715776. Its totient is φ = 10596460.

The previous prime is 11656111. The next prime is 11656159. The reversal of 11656117 is 71165611.

11656117 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11656117 - 2³ = 11656109 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 (11656111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529813 + ... + 529834.

It is an arithmetic number, because the mean of its divisors is an integer number (3178944).

Almost surely, 2^11656117 is an apocalyptic number.

It is an amenable number.

11656117 is a deficient number, since it is larger than the sum of its proper divisors (1059659).

11656117 is a wasteful number, since it uses less digits than its factorization.

11656117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059658.

The product of its digits is 1260, while the sum is 28.

The square root of 11656117 is about 3414.1055929775. The cubic root of 11656117 is about 226.7346871501.

The spelling of 11656117 in words is "eleven million, six hundred fifty-six thousand, one hundred seventeen".