11665396 has 12 divisors (see below), whose sum is σ = 20749540. Its totient is φ = 5736960.

The previous prime is 11665391. The next prime is 11665403. The reversal of 11665396 is 69356611.

It can be written as a sum of positive squares in 2 ways, for example, as 509796 + 11155600 = 714^2 + 3340^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11665391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23661 + ... + 24148.

Almost surely, 2^11665396 is an apocalyptic number.

It is an amenable number.

11665396 is a deficient number, since it is larger than the sum of its proper divisors (9084144).

11665396 is a wasteful number, since it uses less digits than its factorization.

11665396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47874 (or 47872 counting only the distinct ones).

The product of its digits is 29160, while the sum is 37.

The square root of 11665396 is about 3415.4642437010. The cubic root of 11665396 is about 226.7948362014.

The spelling of 11665396 in words is "eleven million, six hundred sixty-five thousand, three hundred ninety-six".