12243604 has 12 divisors (see below), whose sum is σ = 22686804. Its totient is φ = 5761664.

The previous prime is 12243601. The next prime is 12243611. The reversal of 12243604 is 40634221.

It is a happy number.

12243604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10227204 + 2016400 = 3198^2 + 1420^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243601) 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, 89959 + ... + 90094.

It is an arithmetic number, because the mean of its divisors is an integer number (1890567).

Almost surely, 2^12243604 is an apocalyptic number.

It is an amenable number.

12243604 is a deficient number, since it is larger than the sum of its proper divisors (10443200).

12243604 is a wasteful number, since it uses less digits than its factorization.

12243604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180074 (or 180072 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 12243604 is about 3499.0861664155. The cubic root of 12243604 is about 230.4816874135.

Adding to 12243604 its reverse (40634221), we get a palindrome (52877825).

The spelling of 12243604 in words is "twelve million, two hundred forty-three thousand, six hundred four".