12404330 has 16 divisors (see below), whose sum is σ = 22380840. Its totient is φ = 4949952.

The previous prime is 12404311. The next prime is 12404333. The reversal of 12404330 is 3340421.

It can be written as a sum of positive squares in 4 ways, for example, as 12397441 + 6889 = 3521^2 + 83^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12404299 and 12404308.

It is not an unprimeable number, because it can be changed into a prime (12404333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3872 + ... + 6308.

Almost surely, 2^12404330 is an apocalyptic number.

12404330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12404330 is a deficient number, since it is larger than the sum of its proper divisors (9976510).

12404330 is a wasteful number, since it uses less digits than its factorization.

12404330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 12404330 is about 3521.9781373541. The cubic root of 12404330 is about 231.4858436361.

Adding to 12404330 its reverse (3340421), we get a palindrome (15744751).

The spelling of 12404330 in words is "twelve million, four hundred four thousand, three hundred thirty".