12404313 has 16 divisors (see below), whose sum is σ = 18653760. Its totient is φ = 8144928.

The previous prime is 12404311. The next prime is 12404333. The reversal of 12404313 is 31340421.

It is not a de Polignac number, because 12404313 - 2¹ = 12404311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12404311) 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 15 ways as a sum of consecutive naturals, for example, 1620 + ... + 5237.

It is an arithmetic number, because the mean of its divisors is an integer number (1165860).

Almost surely, 2^12404313 is an apocalyptic number.

It is an amenable number.

12404313 is a deficient number, since it is larger than the sum of its proper divisors (6249447).

12404313 is an equidigital number, since it uses as much as digits as its factorization.

12404313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6933 (or 6927 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 12404313 is about 3521.9757239368. The cubic root of 12404313 is about 231.4857378865.

Adding to 12404313 its reverse (31340421), we get a palindrome (43744734).

The spelling of 12404313 in words is "twelve million, four hundred four thousand, three hundred thirteen".