13319143 has 8 divisors (see below), whose sum is σ = 14156640. Its totient is φ = 12531040.

The previous prime is 13319129. The next prime is 13319203. The reversal of 13319143 is 34191331.

13319143 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-13319143 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 (13319113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3558 + ... + 6268.

It is an arithmetic number, because the mean of its divisors is an integer number (1769580).

Almost surely, 2^13319143 is an apocalyptic number.

13319143 is a deficient number, since it is larger than the sum of its proper divisors (837497).

13319143 is an frugal number, since it uses more digits than its factorization.

13319143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762 (or 2728 counting only the distinct ones).

The product of its digits is 972, while the sum is 25.

The square root of 13319143 is about 3649.5401080136. The cubic root of 13319143 is about 237.0420679358.

The spelling of 13319143 in words is "thirteen million, three hundred nineteen thousand, one hundred forty-three".