12313403 has 4 divisors (see below), whose sum is σ = 12426480. Its totient is φ = 12200328.

The previous prime is 12313393. The next prime is 12313409. The reversal of 12313403 is 30431321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12313403 - 2⁶ = 12313339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12313409) 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, 56375 + ... + 56592.

It is an arithmetic number, because the mean of its divisors is an integer number (3106620).

Almost surely, 2^12313403 is an apocalyptic number.

12313403 is a deficient number, since it is larger than the sum of its proper divisors (113077).

12313403 is a wasteful number, since it uses less digits than its factorization.

12313403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113076.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 12313403 is about 3509.0458817177. The cubic root of 12313403 is about 230.9188385751.

Adding to 12313403 its reverse (30431321), we get a palindrome (42744724).

The spelling of 12313403 in words is "twelve million, three hundred thirteen thousand, four hundred three".