11521344 has 56 divisors (see below), whose sum is σ = 31821120. Its totient is φ = 3672064.

The previous prime is 11521333. The next prime is 11521351. The reversal of 11521344 is 44312511.

11521344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11521344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3112 + ... + 5720.

Almost surely, 2^11521344 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 11521344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15910560).

11521344 is an abundant number, since it is smaller than the sum of its proper divisors (20299776).

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

11521344 is a wasteful number, since it uses less digits than its factorization.

11521344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647 (or 2637 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 11521344 is about 3394.3105338198. The cubic root of 11521344 is about 225.8574295928.

Adding to 11521344 its reverse (44312511), we get a palindrome (55833855).

The spelling of 11521344 in words is "eleven million, five hundred twenty-one thousand, three hundred forty-four".