12402304 has 16 divisors (see below), whose sum is σ = 24707970. Its totient is φ = 6201088.

The previous prime is 12402293. The next prime is 12402311. The reversal of 12402304 is 40320421.

12402304 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 only one way, i.e., 11235904 + 1166400 = 3352^2 + 1080^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48319 + ... + 48574.

Almost surely, 2^12402304 is an apocalyptic number.

It is an amenable number.

12402304 is a deficient number, since it is larger than the sum of its proper divisors (12305666).

12402304 is an frugal number, since it uses more digits than its factorization.

12402304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96907 (or 96895 counting only the distinct ones).

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

The square root of 12402304 is about 3521.6905031533. The cubic root of 12402304 is about 231.4732400841.

Adding to 12402304 its reverse (40320421), we get a palindrome (52722725).

The spelling of 12402304 in words is "twelve million, four hundred two thousand, three hundred four".