11696665 has 4 divisors (see below), whose sum is σ = 14036004. Its totient is φ = 9357328.

The previous prime is 11696639. The next prime is 11696669. The reversal of 11696665 is 56669611.

11696665 is digitally balanced in base 2, 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.

It can be written as a sum of positive squares in 2 ways, for example, as 6843456 + 4853209 = 2616^2 + 2203^2 .

It is a cyclic number.

It is not a de Polignac number, because 11696665 - 2¹³ = 11688473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11696669) 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, 1169662 + ... + 1169671.

It is an arithmetic number, because the mean of its divisors is an integer number (3509001).

Almost surely, 2^11696665 is an apocalyptic number.

It is an amenable number.

11696665 is a deficient number, since it is larger than the sum of its proper divisors (2339339).

11696665 is an equidigital number, since it uses as much as digits as its factorization.

11696665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339338.

The product of its digits is 58320, while the sum is 40.

The square root of 11696665 is about 3420.0387424706. The cubic root of 11696665 is about 226.9972959888.

The spelling of 11696665 in words is "eleven million, six hundred ninety-six thousand, six hundred sixty-five".