12143132 has 12 divisors (see below), whose sum is σ = 21406560. Its totient is φ = 6026976.

The previous prime is 12143119. The next prime is 12143137. The reversal of 12143132 is 23134121.

It is a self number, because there is not a number n which added to its sum of digits gives 12143132.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10532 + ... + 11627.

It is an arithmetic number, because the mean of its divisors is an integer number (1783880).

Almost surely, 2^12143132 is an apocalyptic number.

It is an amenable number.

12143132 is a deficient number, since it is larger than the sum of its proper divisors (9263428).

12143132 is a wasteful number, since it uses less digits than its factorization.

12143132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22300 (or 22298 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 12143132 is about 3484.6997001176. The cubic root of 12143132 is about 229.8495045727.

Adding to 12143132 its reverse (23134121), we get a palindrome (35277253).

The spelling of 12143132 in words is "twelve million, one hundred forty-three thousand, one hundred thirty-two".