11218604 has 12 divisors (see below), whose sum is σ = 19660200. Its totient is φ = 5601408.

The previous prime is 11218601. The next prime is 11218609. The reversal of 11218604 is 40681211.

It is a self number, because there is not a number n which added to its sum of digits gives 11218604.

It is not an unprimeable number, because it can be changed into a prime (11218601) 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 3 ways as a sum of consecutive naturals, for example, 2207 + ... + 5225.

It is an arithmetic number, because the mean of its divisors is an integer number (1638350).

Almost surely, 2^11218604 is an apocalyptic number.

It is an amenable number.

11218604 is a deficient number, since it is larger than the sum of its proper divisors (8441596).

11218604 is a wasteful number, since it uses less digits than its factorization.

11218604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3952 (or 3950 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 11218604 is about 3349.4184569862. The cubic root of 11218604 is about 223.8616013701.

Adding to 11218604 its reverse (40681211), we get a palindrome (51899815).

The spelling of 11218604 in words is "eleven million, two hundred eighteen thousand, six hundred four".