12143106 has 24 divisors (see below), whose sum is σ = 26399100. Its totient is φ = 4034016.

The previous prime is 12143099. The next prime is 12143107. The reversal of 12143106 is 60134121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11594025 + 549081 = 3405^2 + 741^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12143107) 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, 5316 + ... + 7248.

Almost surely, 2^12143106 is an apocalyptic number.

12143106 is an abundant number, since it is smaller than the sum of its proper divisors (14255994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12143106 is a wasteful number, since it uses less digits than its factorization.

12143106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290 (or 2287 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 12143106 is about 3484.6959695216. The cubic root of 12143106 is about 229.8493405268.

Adding to 12143106 its reverse (60134121), we get a palindrome (72277227).

The spelling of 12143106 in words is "twelve million, one hundred forty-three thousand, one hundred six".