11689617 has 8 divisors (see below), whose sum is σ = 16406560. Its totient is φ = 7382880.

The previous prime is 11689609. The next prime is 11689621. The reversal of 11689617 is 71698611.

11689617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11689617 - 2³ = 11689609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11689687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102484 + ... + 102597.

It is an arithmetic number, because the mean of its divisors is an integer number (2050820).

Almost surely, 2^11689617 is an apocalyptic number.

It is an amenable number.

11689617 is a deficient number, since it is larger than the sum of its proper divisors (4716943).

11689617 is a wasteful number, since it uses less digits than its factorization.

11689617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205103.

The product of its digits is 18144, while the sum is 39.

The square root of 11689617 is about 3419.0081895193. The cubic root of 11689617 is about 226.9516932923.

The spelling of 11689617 in words is "eleven million, six hundred eighty-nine thousand, six hundred seventeen".