13163943 has 8 divisors (see below), whose sum is σ = 18902128. Its totient is φ = 8100864.

The previous prime is 13163879. The next prime is 13163963. The reversal of 13163943 is 34936131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13163943 - 2⁶ = 13163879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13163943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13163963) 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, 168730 + ... + 168807.

It is an arithmetic number, because the mean of its divisors is an integer number (2362766).

Almost surely, 2^13163943 is an apocalyptic number.

13163943 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13163943 is a deficient number, since it is larger than the sum of its proper divisors (5738185).

13163943 is a wasteful number, since it uses less digits than its factorization.

13163943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337553.

The product of its digits is 5832, while the sum is 30.

The square root of 13163943 is about 3628.2148503086. The cubic root of 13163943 is about 236.1177653652.

The spelling of 13163943 in words is "thirteen million, one hundred sixty-three thousand, nine hundred forty-three".