11204544 has 84 divisors (see below), whose sum is σ = 32409384. Its totient is φ = 3396096.

The previous prime is 11204539. The next prime is 11204549. The reversal of 11204544 is 44540211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11204539) and next prime (11204549).

It is a self number, because there is not a number n which added to its sum of digits gives 11204544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11204549) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 167199 + ... + 167265.

It is an arithmetic number, because the mean of its divisors is an integer number (385826).

Almost surely, 2^11204544 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 11204544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16204692).

11204544 is an abundant number, since it is smaller than the sum of its proper divisors (21204840).

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

11204544 is an equidigital number, since it uses as much as digits as its factorization.

11204544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 11204544 is about 3347.3189271415. The cubic root of 11204544 is about 223.7680421975.

Adding to 11204544 its reverse (44540211), we get a palindrome (55744755).

The spelling of 11204544 in words is "eleven million, two hundred four thousand, five hundred forty-four".