11209104 has 105 divisors (see below), whose sum is σ = 33645819. Its totient is φ = 3615840.

The previous prime is 11209097. The next prime is 11209123. The reversal of 11209104 is 40190211.

The square root of 11209104 is 3348.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 361569 + ... + 361599.

Almost surely, 2^11209104 is an apocalyptic number.

11209104 is the 3348-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11209104

11209104 is an abundant number, since it is smaller than the sum of its proper divisors (22436715).

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

11209104 is an frugal number, since it uses more digits than its factorization.

11209104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The cubic root of 11209104 is about 223.7983942844.

Adding to 11209104 its reverse (40190211), we get a palindrome (51399315).

The spelling of 11209104 in words is "eleven million, two hundred nine thousand, one hundred four".