11604224 has 18 divisors (see below), whose sum is σ = 23163630. Its totient is φ = 5801984.

The previous prime is 11604223. The next prime is 11604227. The reversal of 11604224 is 42240611.

It can be written as a sum of positive squares in only one way, i.e., 10240000 + 1364224 = 3200^2 + 1168^2 .

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 11604196 and 11604205.

It is not an unprimeable number, because it can be changed into a prime (11604223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22409 + ... + 22920.

Almost surely, 2^11604224 is an apocalyptic number.

It is an amenable number.

11604224 is a deficient number, since it is larger than the sum of its proper divisors (11559406).

11604224 is an frugal number, since it uses more digits than its factorization.

11604224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45345 (or 45331 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 11604224 is about 3406.4973212965. The cubic root of 11604224 is about 226.3977125217.

Adding to 11604224 its reverse (42240611), we get a palindrome (53844835).

The spelling of 11604224 in words is "eleven million, six hundred four thousand, two hundred twenty-four".