12143006 has 4 divisors (see below), whose sum is σ = 18214512. Its totient is φ = 6071502.

The previous prime is 12142997. The next prime is 12143009. The reversal of 12143006 is 60034121.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143009) 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 as a sum of consecutive naturals, namely, 3035750 + ... + 3035753.

It is an arithmetic number, because the mean of its divisors is an integer number (4553628).

Almost surely, 2^12143006 is an apocalyptic number.

12143006 is a deficient number, since it is larger than the sum of its proper divisors (6071506).

12143006 is an equidigital number, since it uses as much as digits as its factorization.

12143006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6071505.

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

The square root of 12143006 is about 3484.6816210380. The cubic root of 12143006 is about 229.8487095791.

Adding to 12143006 its reverse (60034121), we get a palindrome (72177127).

The spelling of 12143006 in words is "twelve million, one hundred forty-three thousand, six".