12304404 has 72 divisors (see below), whose sum is σ = 35887488. Its totient is φ = 3481920.

The previous prime is 12304403. The next prime is 12304421. The reversal of 12304404 is 40440321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12304403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39409 + ... + 39719.

Almost surely, 2^12304404 is an apocalyptic number.

12304404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12304404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17943744).

12304404 is an abundant number, since it is smaller than the sum of its proper divisors (23583084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12304404 is a wasteful number, since it uses less digits than its factorization.

12304404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 12304404 is about 3507.7633899680. The cubic root of 12304404 is about 230.8625707542.

Adding to 12304404 its reverse (40440321), we get a palindrome (52744725).

The spelling of 12304404 in words is "twelve million, three hundred four thousand, four hundred four".