11213204 has 12 divisors (see below), whose sum is σ = 19657428. Its totient is φ = 5596800.

The previous prime is 11213201. The next prime is 11213219. The reversal of 11213204 is 40231211.

It can be written as a sum of positive squares in 2 ways, for example, as 10252804 + 960400 = 3202^2 + 980^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524 + ... + 4764.

It is an arithmetic number, because the mean of its divisors is an integer number (1638119).

Almost surely, 2^11213204 is an apocalyptic number.

It is an amenable number.

11213204 is a deficient number, since it is larger than the sum of its proper divisors (8444224).

11213204 is a wasteful number, since it uses less digits than its factorization.

11213204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4906 (or 4904 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 11213204 is about 3348.6122498731. The cubic root of 11213204 is about 223.8256775108.

Adding to 11213204 its reverse (40231211), we get a palindrome (51444415).

The spelling of 11213204 in words is "eleven million, two hundred thirteen thousand, two hundred four".