11309204 has 12 divisors (see below), whose sum is σ = 19856928. Its totient is φ = 5635800.

The previous prime is 11309201. The next prime is 11309219. The reversal of 11309204 is 40290311.

It is a super-2 number, since 2×11309204² = 255796190227232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11309201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3302 + ... + 5789.

It is an arithmetic number, because the mean of its divisors is an integer number (1654744).

Almost surely, 2^11309204 is an apocalyptic number.

It is an amenable number.

11309204 is a deficient number, since it is larger than the sum of its proper divisors (8547724).

11309204 is a wasteful number, since it uses less digits than its factorization.

11309204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9406 (or 9404 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 11309204 is about 3362.9159965720. The cubic root of 11309204 is about 224.4626121802.

Adding to 11309204 its reverse (40290311), we get a palindrome (51599515).

The spelling of 11309204 in words is "eleven million, three hundred nine thousand, two hundred four".