12143137 has 2 divisors, whose sum is σ = 12143138. Its totient is φ = 12143136.

The previous prime is 12143119. The next prime is 12143143. The reversal of 12143137 is 73134121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11229201 + 913936 = 3351^2 + 956^2 .

It is a cyclic number.

It is not a de Polignac number, because 12143137 - 2⁷ = 12143009 is a prime.

It is not a weakly prime, because it can be changed into another prime (12143107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6071568 + 6071569.

It is an arithmetic number, because the mean of its divisors is an integer number (6071569).

Almost surely, 2^12143137 is an apocalyptic number.

It is an amenable number.

12143137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12143137 is an equidigital number, since it uses as much as digits as its factorization.

12143137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 22.

The square root of 12143137 is about 3484.7004175395. The cubic root of 12143137 is about 229.8495361199.

Adding to 12143137 its reverse (73134121), we get a palindrome (85277258).

The spelling of 12143137 in words is "twelve million, one hundred forty-three thousand, one hundred thirty-seven".