11679661 has 16 divisors (see below), whose sum is σ = 14175360. Its totient is φ = 9400320.

The previous prime is 11679659. The next prime is 11679683. The reversal of 11679661 is 16697611.

It is a cyclic number.

It is not a de Polignac number, because 11679661 - 2¹ = 11679659 is a prime.

It is a super-3 number, since 3×11679661³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11679661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11679601) 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, 17901 + ... + 18541.

It is an arithmetic number, because the mean of its divisors is an integer number (885960).

Almost surely, 2^11679661 is an apocalyptic number.

It is an amenable number.

11679661 is a deficient number, since it is larger than the sum of its proper divisors (2495699).

11679661 is a wasteful number, since it uses less digits than its factorization.

11679661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804.

The product of its digits is 13608, while the sum is 37.

The square root of 11679661 is about 3417.5519015810. The cubic root of 11679661 is about 226.8872437088.

The spelling of 11679661 in words is "eleven million, six hundred seventy-nine thousand, six hundred sixty-one".