12143133 has 12 divisors (see below), whose sum is σ = 17570748. Its totient is φ = 8081280.

The previous prime is 12143119. The next prime is 12143137. The reversal of 12143133 is 33134121.

12143133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8892324 + 3250809 = 2982^2 + 1803^2 .

It is not a de Polignac number, because 12143133 - 2⁶ = 12143069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8103 + ... + 9483.

It is an arithmetic number, because the mean of its divisors is an integer number (1464229).

It is a self-describing number.

Almost surely, 2^12143133 is an apocalyptic number.

It is an amenable number.

12143133 is a deficient number, since it is larger than the sum of its proper divisors (5427615).

12143133 is a wasteful number, since it uses less digits than its factorization.

12143133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364 (or 2361 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 12143133 is about 3484.6998436020. The cubic root of 12143133 is about 229.8495108821.

Adding to 12143133 its reverse (33134121), we get a palindrome (45277254).

The spelling of 12143133 in words is "twelve million, one hundred forty-three thousand, one hundred thirty-three".