11722608 has 60 divisors (see below), whose sum is σ = 33116928. Its totient is φ = 3870720.

The previous prime is 11722591. The next prime is 11722621. The reversal of 11722608 is 80622711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17968 + ... + 18608.

Almost surely, 2^11722608 is an apocalyptic number.

11722608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11722608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16558464).

11722608 is an abundant number, since it is smaller than the sum of its proper divisors (21394320).

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

11722608 is a wasteful number, since it uses less digits than its factorization.

11722608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 11722608 is about 3423.8294350040. The cubic root of 11722608 is about 227.1649974180.

The spelling of 11722608 in words is "eleven million, seven hundred twenty-two thousand, six hundred eight".