11215344 has 80 divisors (see below), whose sum is σ = 34283520. Its totient is φ = 3091200.

The previous prime is 11215327. The next prime is 11215349. The reversal of 11215344 is 44351211.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 11215344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11215349) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9169 + ... + 10319.

It is an arithmetic number, because the mean of its divisors is an integer number (428544).

Almost surely, 2^11215344 is an apocalyptic number.

11215344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11215344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17141760).

11215344 is an abundant number, since it is smaller than the sum of its proper divisors (23068176).

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

11215344 is a wasteful number, since it uses less digits than its factorization.

11215344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198 (or 1192 counting only the distinct ones).

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

The square root of 11215344 is about 3348.9317699828. The cubic root of 11215344 is about 223.8399153825.

Adding to 11215344 its reverse (44351211), we get a palindrome (55566555).

The spelling of 11215344 in words is "eleven million, two hundred fifteen thousand, three hundred forty-four".