12143113 has 2 divisors, whose sum is σ = 12143114. Its totient is φ = 12143112.

The previous prime is 12143111. The next prime is 12143119. The reversal of 12143113 is 31134121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11002489 + 1140624 = 3317^2 + 1068^2 .

It is a cyclic number.

It is not a de Polignac number, because 12143113 - 2¹ = 12143111 is a prime.

Together with 12143111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12143111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6071556 + 6071557.

It is an arithmetic number, because the mean of its divisors is an integer number (6071557).

Almost surely, 2^12143113 is an apocalyptic number.

It is an amenable number.

12143113 is a deficient number, since it is larger than the sum of its proper divisors (1).

12143113 is an equidigital number, since it uses as much as digits as its factorization.

12143113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72, while the sum is 16.

The square root of 12143113 is about 3484.6969739132. The cubic root of 12143113 is about 229.8493846930.

Adding to 12143113 its reverse (31134121), we get a palindrome (43277234).

It can be divided in two parts, 121 and 43113, that added together give a palindrome (43234).

The spelling of 12143113 in words is "twelve million, one hundred forty-three thousand, one hundred thirteen".