12133803 has 32 divisors (see below), whose sum is σ = 18892800. Its totient is φ = 6854400.

The previous prime is 12133789. The next prime is 12133813. The reversal of 12133803 is 30833121.

It is a happy number.

It is not a de Polignac number, because 12133803 - 2⁴ = 12133787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12133803.

It is not an unprimeable number, because it can be changed into a prime (12133813) 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 31 ways as a sum of consecutive naturals, for example, 29463 + ... + 29871.

It is an arithmetic number, because the mean of its divisors is an integer number (590400).

Almost surely, 2^12133803 is an apocalyptic number.

12133803 is a deficient number, since it is larger than the sum of its proper divisors (6758997).

12133803 is a wasteful number, since it uses less digits than its factorization.

12133803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 12133803 is about 3483.3608770841. The cubic root of 12133803 is about 229.7906286205.

Adding to 12133803 its reverse (30833121), we get a palindrome (42966924).

The spelling of 12133803 in words is "twelve million, one hundred thirty-three thousand, eight hundred three".