11203104 has 72 divisors (see below), whose sum is σ = 32396112. Its totient is φ = 3361920.

The previous prime is 11203081. The next prime is 11203109. The reversal of 11203104 is 40130211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 11203104.

It is not an unprimeable number, because it can be changed into a prime (11203109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108717 + ... + 108819.

It is an arithmetic number, because the mean of its divisors is an integer number (449946).

Almost surely, 2^11203104 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 11203104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16198056).

11203104 is an abundant number, since it is smaller than the sum of its proper divisors (21193008).

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

11203104 is a wasteful number, since it uses less digits than its factorization.

11203104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11203104 is about 3347.1038227100. The cubic root of 11203104 is about 223.7584556171.

Adding to 11203104 its reverse (40130211), we get a palindrome (51333315).

It can be divided in two parts, 1120 and 3104, that added together give a palindrome (4224).

The spelling of 11203104 in words is "eleven million, two hundred three thousand, one hundred four".