13116143 has 4 divisors (see below), whose sum is σ = 13129080. Its totient is φ = 13103208.

The previous prime is 13116119. The next prime is 13116157. The reversal of 13116143 is 34161131.

13116143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34161131 = 947 ⋅36073.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13116143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13116343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4805 + ... + 7022.

It is an arithmetic number, because the mean of its divisors is an integer number (3282270).

Almost surely, 2^13116143 is an apocalyptic number.

13116143 is a deficient number, since it is larger than the sum of its proper divisors (12937).

13116143 is a wasteful number, since it uses less digits than its factorization.

13116143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12936.

The product of its digits is 216, while the sum is 20.

The square root of 13116143 is about 3621.6215981242. The cubic root of 13116143 is about 235.8316272468.

Adding to 13116143 its reverse (34161131), we get a palindrome (47277274).

The spelling of 13116143 in words is "thirteen million, one hundred sixteen thousand, one hundred forty-three".