12143162 has 4 divisors (see below), whose sum is σ = 18214746. Its totient is φ = 6071580.

The previous prime is 12143161. The next prime is 12143189. The reversal of 12143162 is 26134121.

12143162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26134121 = 13 ⋅2010317.

It can be written as a sum of positive squares in only one way, i.e., 9554281 + 2588881 = 3091^2 + 1609^2 .

It is not an unprimeable number, because it can be changed into a prime (12143161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3035789 + ... + 3035792.

Almost surely, 2^12143162 is an apocalyptic number.

12143162 is a deficient number, since it is larger than the sum of its proper divisors (6071584).

12143162 is an equidigital number, since it uses as much as digits as its factorization.

12143162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6071583.

The product of its digits is 288, while the sum is 20.

The square root of 12143162 is about 3484.7040046466. The cubic root of 12143162 is about 229.8496938561.

Adding to 12143162 its reverse (26134121), we get a palindrome (38277283).

The spelling of 12143162 in words is "twelve million, one hundred forty-three thousand, one hundred sixty-two".