12028203 has 16 divisors (see below), whose sum is σ = 19440000. Its totient is φ = 7289640.

The previous prime is 12028201. The next prime is 12028213. The reversal of 12028203 is 30282021.

It is a happy number.

12028203 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12028203 - 2¹ = 12028201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12028201) 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, 19953 + ... + 20546.

It is an arithmetic number, because the mean of its divisors is an integer number (1215000).

Almost surely, 2^12028203 is an apocalyptic number.

12028203 is a deficient number, since it is larger than the sum of its proper divisors (7411797).

12028203 is a wasteful number, since it uses less digits than its factorization.

12028203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40519 (or 40513 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 12028203 is about 3468.1699785333. The cubic root of 12028203 is about 229.1220658253.

The spelling of 12028203 in words is "twelve million, twenty-eight thousand, two hundred three".