11213304 has 32 divisors (see below), whose sum is σ = 28512000. Its totient is φ = 3673952.

The previous prime is 11213303. The next prime is 11213347. The reversal of 11213304 is 40331211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213303) 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 7 ways as a sum of consecutive naturals, for example, 2544 + ... + 5375.

It is an arithmetic number, because the mean of its divisors is an integer number (891000).

Almost surely, 2^11213304 is an apocalyptic number.

It is an amenable number.

11213304 is an abundant number, since it is smaller than the sum of its proper divisors (17298696).

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

11213304 is a wasteful number, since it uses less digits than its factorization.

11213304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7987 (or 7983 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 11213304 is about 3348.6271813984. The cubic root of 11213304 is about 223.8263428722.

Adding to 11213304 its reverse (40331211), we get a palindrome (51544515).

The spelling of 11213304 in words is "eleven million, two hundred thirteen thousand, three hundred four".