11993722 has 8 divisors (see below), whose sum is σ = 19374516. Its totient is φ = 5535552.

The previous prime is 11993719. The next prime is 11993743. The reversal of 11993722 is 22739911.

It is a happy number.

11993722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11634921 + 358801 = 3411^2 + 599^2 .

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

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, 230623 + ... + 230674.

Almost surely, 2^11993722 is an apocalyptic number.

11993722 is a deficient number, since it is larger than the sum of its proper divisors (7380794).

11993722 is a wasteful number, since it uses less digits than its factorization.

11993722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461312.

The product of its digits is 6804, while the sum is 34.

The square root of 11993722 is about 3463.1953453422. The cubic root of 11993722 is about 228.9029164572.

The spelling of 11993722 in words is "eleven million, nine hundred ninety-three thousand, seven hundred twenty-two".