11718396 has 36 divisors (see below), whose sum is σ = 29818152. Its totient is φ = 3880224.

The previous prime is 11718361. The next prime is 11718397. The reversal of 11718396 is 69381711.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11718396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11718397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4870 + ... + 6866.

It is an arithmetic number, because the mean of its divisors is an integer number (828282).

Almost surely, 2^11718396 is an apocalyptic number.

It is an amenable number.

11718396 is an abundant number, since it is smaller than the sum of its proper divisors (18099756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11718396 is a wasteful number, since it uses less digits than its factorization.

11718396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170 (or 2165 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 11718396 is about 3423.2142790074. The cubic root of 11718396 is about 227.1377869319.

The spelling of 11718396 in words is "eleven million, seven hundred eighteen thousand, three hundred ninety-six".