11665722 has 8 divisors (see below), whose sum is σ = 23331456. Its totient is φ = 3888572.

The previous prime is 11665699. The next prime is 11665739. The reversal of 11665722 is 22756611.

It is a sphenic number, since it is the product of 3 distinct primes.

11665722 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 11665722.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 972138 + ... + 972149.

It is an arithmetic number, because the mean of its divisors is an integer number (2916432).

Almost surely, 2^11665722 is an apocalyptic number.

11665722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11665722 is a wasteful number, since it uses less digits than its factorization.

11665722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944292.

The product of its digits is 5040, while the sum is 30.

The square root of 11665722 is about 3415.5119674801. The cubic root of 11665722 is about 226.7969488437.

The spelling of 11665722 in words is "eleven million, six hundred sixty-five thousand, seven hundred twenty-two".