12113203 has 16 divisors (see below), whose sum is σ = 13582080. Its totient is φ = 10749024.

The previous prime is 12113201. The next prime is 12113207. The reversal of 12113203 is 30231121.

It is a cyclic number.

It is not a de Polignac number, because 12113203 - 2¹ = 12113201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12113201) 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, 22900 + ... + 23422.

It is an arithmetic number, because the mean of its divisors is an integer number (848880).

Almost surely, 2^12113203 is an apocalyptic number.

12113203 is a deficient number, since it is larger than the sum of its proper divisors (1468877).

12113203 is a wasteful number, since it uses less digits than its factorization.

12113203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 12113203 is about 3480.4027065844. The cubic root of 12113203 is about 229.6605136481.

Adding to 12113203 its reverse (30231121), we get a palindrome (42344324).

The spelling of 12113203 in words is "twelve million, one hundred thirteen thousand, two hundred three".