11722512 has 20 divisors (see below), whose sum is σ = 30283280. Its totient is φ = 3907488.

The previous prime is 11722511. The next prime is 11722517. The reversal of 11722512 is 21522711.

11722512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (11722511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122062 + ... + 122157.

It is an arithmetic number, because the mean of its divisors is an integer number (1514164).

Almost surely, 2^11722512 is an apocalyptic number.

11722512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11722512 is an abundant number, since it is smaller than the sum of its proper divisors (18560768).

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

11722512 is a wasteful number, since it uses less digits than its factorization.

11722512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244230 (or 244224 counting only the distinct ones).

The product of its digits is 280, while the sum is 21.

The square root of 11722512 is about 3423.8154155854. The cubic root of 11722512 is about 227.1643773086.

The spelling of 11722512 in words is "eleven million, seven hundred twenty-two thousand, five hundred twelve".