12143473 has 2 divisors, whose sum is σ = 12143474. Its totient is φ = 12143472.

The previous prime is 12143459. The next prime is 12143497. The reversal of 12143473 is 37434121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11607649 + 535824 = 3407^2 + 732^2 .

It is a cyclic number.

It is not a de Polignac number, because 12143473 - 2⁵ = 12143441 is a prime.

It is not a weakly prime, because it can be changed into another prime (12143773) 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, 6071736 + 6071737.

It is an arithmetic number, because the mean of its divisors is an integer number (6071737).

Almost surely, 2^12143473 is an apocalyptic number.

It is an amenable number.

12143473 is a deficient number, since it is larger than the sum of its proper divisors (1).

12143473 is an equidigital number, since it uses as much as digits as its factorization.

12143473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 25.

The square root of 12143473 is about 3484.7486279501. The cubic root of 12143473 is about 229.8516560755.

Adding to 12143473 its reverse (37434121), we get a palindrome (49577594).

The spelling of 12143473 in words is "twelve million, one hundred forty-three thousand, four hundred seventy-three".