12403204 has 24 divisors (see below), whose sum is σ = 23921856. Its totient is φ = 5580000.

The previous prime is 12403199. The next prime is 12403243. The reversal of 12403204 is 40230421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3049 + ... + 5839.

It is an arithmetic number, because the mean of its divisors is an integer number (996744).

Almost surely, 2^12403204 is an apocalyptic number.

It is an amenable number.

12403204 is a deficient number, since it is larger than the sum of its proper divisors (11518652).

12403204 is a wasteful number, since it uses less digits than its factorization.

12403204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907 (or 2905 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 12403204 is about 3521.8182803773. The cubic root of 12403204 is about 231.4788390674.

Adding to 12403204 its reverse (40230421), we get a palindrome (52633625).

It can be divided in two parts, 1240 and 3204, that added together give a palindrome (4444).

The spelling of 12403204 in words is "twelve million, four hundred three thousand, two hundred four".