12560143 has 2 divisors, whose sum is σ = 12560144. Its totient is φ = 12560142.

The previous prime is 12560117. The next prime is 12560147. The reversal of 12560143 is 34106521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12560143 - 2⁵ = 12560111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12560147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6280071 + 6280072.

It is an arithmetic number, because the mean of its divisors is an integer number (6280072).

Almost surely, 2^12560143 is an apocalyptic number.

12560143 is a deficient number, since it is larger than the sum of its proper divisors (1).

12560143 is an equidigital number, since it uses as much as digits as its factorization.

12560143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 12560143 is about 3544.0292041686. The cubic root of 12560143 is about 232.4510584154.

Adding to 12560143 its reverse (34106521), we get a palindrome (46666664).

The spelling of 12560143 in words is "twelve million, five hundred sixty thousand, one hundred forty-three".