11213344 has 24 divisors (see below), whose sum is σ = 23239440. Its totient is φ = 5311296.

The previous prime is 11213303. The next prime is 11213347. The reversal of 11213344 is 44331211.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (11213347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8614 + ... + 9829.

It is an arithmetic number, because the mean of its divisors is an integer number (968310).

Almost surely, 2^11213344 is an apocalyptic number.

It is an amenable number.

11213344 is an abundant number, since it is smaller than the sum of its proper divisors (12026096).

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

11213344 is a wasteful number, since it uses less digits than its factorization.

11213344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18472 (or 18464 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 11213344 is about 3348.6331539898. The cubic root of 11213344 is about 223.8266090157.

Adding to 11213344 its reverse (44331211), we get a palindrome (55544555).

It can be divided in two parts, 1121 and 3344, that added together give a triangular number (4465 = T₉₄).

The spelling of 11213344 in words is "eleven million, two hundred thirteen thousand, three hundred forty-four".