13022143 has 2 divisors, whose sum is σ = 13022144. Its totient is φ = 13022142.

The previous prime is 13022129. The next prime is 13022147. The reversal of 13022143 is 34122031.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (34122031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13022143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13022147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6511071 + 6511072.

It is an arithmetic number, because the mean of its divisors is an integer number (6511072).

Almost surely, 2^13022143 is an apocalyptic number.

13022143 is a deficient number, since it is larger than the sum of its proper divisors (1).

13022143 is an equidigital number, since it uses as much as digits as its factorization.

13022143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13022143 is about 3608.6206506088. The cubic root of 13022143 is about 235.2668945943.

Adding to 13022143 its reverse (34122031), we get a palindrome (47144174).

The spelling of 13022143 in words is "thirteen million, twenty-two thousand, one hundred forty-three".