11722464 has 144 divisors (see below), whose sum is σ = 37425024. Its totient is φ = 3456000.

The previous prime is 11722429. The next prime is 11722489. The reversal of 11722464 is 46422711.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116014 + ... + 116114.

It is an arithmetic number, because the mean of its divisors is an integer number (259896).

Almost surely, 2^11722464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11722464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18712512).

11722464 is an abundant number, since it is smaller than the sum of its proper divisors (25702560).

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

11722464 is a wasteful number, since it uses less digits than its factorization.

11722464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 150 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 11722464 is about 3423.8084058545. The cubic root of 11722464 is about 227.1640672526.

The spelling of 11722464 in words is "eleven million, seven hundred twenty-two thousand, four hundred sixty-four".