11663722 has 16 divisors (see below), whose sum is σ = 20051712. Its totient is φ = 4984560.

The previous prime is 11663669. The next prime is 11663723. The reversal of 11663722 is 22736611.

It is not an unprimeable number, because it can be changed into a prime (11663723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5068 + ... + 7000.

It is an arithmetic number, because the mean of its divisors is an integer number (1253232).

Almost surely, 2^11663722 is an apocalyptic number.

11663722 is a deficient number, since it is larger than the sum of its proper divisors (8387990).

11663722 is a wasteful number, since it uses less digits than its factorization.

11663722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373.

The product of its digits is 3024, while the sum is 28.

The square root of 11663722 is about 3415.2191730546. The cubic root of 11663722 is about 226.7839872278.

The spelling of 11663722 in words is "eleven million, six hundred sixty-three thousand, seven hundred twenty-two".