12103204 has 12 divisors (see below), whose sum is σ = 21368844. Its totient is φ = 5997824.

The previous prime is 12103163. The next prime is 12103207. The reversal of 12103204 is 40230121.

It can be written as a sum of positive squares in 2 ways, for example, as 813604 + 11289600 = 902^2 + 3360^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103207) 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, 12937 + ... + 13840.

It is an arithmetic number, because the mean of its divisors is an integer number (1780737).

Almost surely, 2^12103204 is an apocalyptic number.

It is an amenable number.

12103204 is a deficient number, since it is larger than the sum of its proper divisors (9265640).

12103204 is a wasteful number, since it uses less digits than its factorization.

12103204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26894 (or 26892 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12103204 is about 3478.9659383213. The cubic root of 12103204 is about 229.5973041726.

Adding to 12103204 its reverse (40230121), we get a palindrome (52333325).

The spelling of 12103204 in words is "twelve million, one hundred three thousand, two hundred four".