12313203 has 16 divisors (see below), whose sum is σ = 18812160. Its totient is φ = 7017696.

The previous prime is 12313187. The next prime is 12313229. The reversal of 12313203 is 30231321.

12313203 is a nontrivial binomial coefficient, being equal to C(4963, 2).

It is not a de Polignac number, because 12313203 - 2⁴ = 12313187 is a prime.

It is a super-2 number, since 2×12313203² = 303229936238418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12313283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14476 + ... + 15302.

It is an arithmetic number, because the mean of its divisors is an integer number (1175760).

Almost surely, 2^12313203 is an apocalyptic number.

12313203 is the 4962-nd triangular number.

12313203 is a deficient number, since it is larger than the sum of its proper divisors (6498957).

12313203 is an equidigital number, since it uses as much as digits as its factorization.

12313203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 12313203 is about 3509.0173838270. The cubic root of 12313203 is about 230.9175883381.

Adding to 12313203 its reverse (30231321), we get a palindrome (42544524).

The spelling of 12313203 in words is "twelve million, three hundred thirteen thousand, two hundred three".