11722112 has 32 divisors (see below), whose sum is σ = 24730920. Its totient is φ = 5515264.

The previous prime is 11722097. The next prime is 11722127. The reversal of 11722112 is 21122711.

It is an interprime number because it is at equal distance from previous prime (11722097) and next prime (11722127).

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518 + ... + 4869.

Almost surely, 2^11722112 is an apocalyptic number.

It is an amenable number.

11722112 is an abundant number, since it is smaller than the sum of its proper divisors (13008808).

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

11722112 is an equidigital number, since it uses as much as digits as its factorization.

11722112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5418 (or 5406 counting only the distinct ones).

The product of its digits is 56, while the sum is 17.

The square root of 11722112 is about 3423.7570007230. The cubic root of 11722112 is about 227.1617934829.

Adding to 11722112 its reverse (21122711), we get a palindrome (32844823).

The spelling of 11722112 in words is "eleven million, seven hundred twenty-two thousand, one hundred twelve".