12203313 has 16 divisors (see below), whose sum is σ = 16695360. Its totient is φ = 7926336.

The previous prime is 12203309. The next prime is 12203327. The reversal of 12203313 is 31330221.

12203313 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12203313 - 2² = 12203309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12203292 and 12203301.

It is not an unprimeable number, because it can be changed into a prime (12203353) 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, 21631 + ... + 22187.

It is an arithmetic number, because the mean of its divisors is an integer number (1043460).

Almost surely, 2^12203313 is an apocalyptic number.

It is an amenable number.

12203313 is a deficient number, since it is larger than the sum of its proper divisors (4492047).

12203313 is a wasteful number, since it uses less digits than its factorization.

12203313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736.

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

The square root of 12203313 is about 3493.3240616925. The cubic root of 12203313 is about 230.2285881148.

Adding to 12203313 its reverse (31330221), we get a palindrome (43533534).

The spelling of 12203313 in words is "twelve million, two hundred three thousand, three hundred thirteen".