12404303 has 4 divisors (see below), whose sum is σ = 12468768. Its totient is φ = 12339840.

The previous prime is 12404299. The next prime is 12404311. The reversal of 12404303 is 30340421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30340421 = 1997 ⋅15193.

It is a cyclic number.

It is not a de Polignac number, because 12404303 - 2² = 12404299 is a prime.

It is a Duffinian number.

It is a congruent number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31943 + ... + 32328.

It is an arithmetic number, because the mean of its divisors is an integer number (3117192).

Almost surely, 2^12404303 is an apocalyptic number.

12404303 is a deficient number, since it is larger than the sum of its proper divisors (64465).

12404303 is an equidigital number, since it uses as much as digits as its factorization.

12404303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64464.

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

The square root of 12404303 is about 3521.9743042788. The cubic root of 12404303 is about 231.4856756807.

Adding to 12404303 its reverse (30340421), we get a palindrome (42744724).

The spelling of 12404303 in words is "twelve million, four hundred four thousand, three hundred three".