13871043 has 24 divisors (see below), whose sum is σ = 20966400. Its totient is φ = 8826480.

The previous prime is 13871023. The next prime is 13871051. The reversal of 13871043 is 34017831.

13871043 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13871043 - 2⁶ = 13870979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13870998 and 13871016.

It is not an unprimeable number, because it can be changed into a prime (13871023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22858 + ... + 23456.

It is an arithmetic number, because the mean of its divisors is an integer number (873600).

Almost surely, 2^13871043 is an apocalyptic number.

13871043 is a deficient number, since it is larger than the sum of its proper divisors (7095357).

13871043 is a wasteful number, since it uses less digits than its factorization.

13871043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 13871043 is about 3724.3849156606. The cubic root of 13871043 is about 240.2719313559.

Adding to 13871043 its reverse (34017831), we get a palindrome (47888874).

The spelling of 13871043 in words is "thirteen million, eight hundred seventy-one thousand, forty-three".