13143193 has 16 divisors (see below), whose sum is σ = 16744320. Its totient is φ = 10043136.

The previous prime is 13143187. The next prime is 13143197. The reversal of 13143193 is 39134131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13143193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13143197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646 + ... + 5167.

It is an arithmetic number, because the mean of its divisors is an integer number (1046520).

Almost surely, 2^13143193 is an apocalyptic number.

It is an amenable number.

13143193 is a deficient number, since it is larger than the sum of its proper divisors (3601127).

13143193 is a wasteful number, since it uses less digits than its factorization.

13143193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5856.

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

The square root of 13143193 is about 3625.3541895931. The cubic root of 13143193 is about 235.9936379114.

The spelling of 13143193 in words is "thirteen million, one hundred forty-three thousand, one hundred ninety-three".