11796665 has 4 divisors (see below), whose sum is σ = 14156004. Its totient is φ = 9437328.

The previous prime is 11796641. The next prime is 11796667. The reversal of 11796665 is 56669711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56669711 = 7 ⋅8095673.

It can be written as a sum of positive squares in 2 ways, for example, as 8048569 + 3748096 = 2837^2 + 1936^2 .

It is a cyclic number.

It is not a de Polignac number, because 11796665 - 2¹⁶ = 11731129 is a prime.

It is a super-2 number, since 2×11796665² = 278322610244450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11796667) 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, 1179662 + ... + 1179671.

It is an arithmetic number, because the mean of its divisors is an integer number (3539001).

Almost surely, 2^11796665 is an apocalyptic number.

It is an amenable number.

11796665 is a deficient number, since it is larger than the sum of its proper divisors (2359339).

11796665 is an equidigital number, since it uses as much as digits as its factorization.

11796665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359338.

The product of its digits is 68040, while the sum is 41.

The square root of 11796665 is about 3434.6273451424. The cubic root of 11796665 is about 227.6423614863.

The spelling of 11796665 in words is "eleven million, seven hundred ninety-six thousand, six hundred sixty-five".