11218944 has 104 divisors (see below), whose sum is σ = 33026112. Its totient is φ = 3358720.

The previous prime is 11218943. The next prime is 11218981. The reversal of 11218944 is 44981211.

It is not an unprimeable number, because it can be changed into a prime (11218943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135127 + ... + 135209.

Almost surely, 2^11218944 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 11218944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16513056).

11218944 is an abundant number, since it is smaller than the sum of its proper divisors (21807168).

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

11218944 is an equidigital number, since it uses as much as digits as its factorization.

11218944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 99 counting only the distinct ones).

The product of its digits is 2304, while the sum is 30.

The square root of 11218944 is about 3349.4692116812. The cubic root of 11218944 is about 223.8638628569.

The spelling of 11218944 in words is "eleven million, two hundred eighteen thousand, nine hundred forty-four".