11996365 has 4 divisors (see below), whose sum is σ = 14395644. Its totient is φ = 9597088.

The previous prime is 11996359. The next prime is 11996377. The reversal of 11996365 is 56369911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56369911 = 13 ⋅4336147.

It can be written as a sum of positive squares in 2 ways, for example, as 3736489 + 8259876 = 1933^2 + 2874^2 .

It is a cyclic number.

It is not a de Polignac number, because 11996365 - 2¹¹ = 11994317 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1199632 + ... + 1199641.

It is an arithmetic number, because the mean of its divisors is an integer number (3598911).

Almost surely, 2^11996365 is an apocalyptic number.

It is an amenable number.

11996365 is a deficient number, since it is larger than the sum of its proper divisors (2399279).

11996365 is an equidigital number, since it uses as much as digits as its factorization.

11996365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399278.

The product of its digits is 43740, while the sum is 40.

The square root of 11996365 is about 3463.5769083420. The cubic root of 11996365 is about 228.9197293079.

The spelling of 11996365 in words is "eleven million, nine hundred ninety-six thousand, three hundred sixty-five".