13871189 has 8 divisors (see below), whose sum is σ = 14316120. Its totient is φ = 13430016.

The previous prime is 13871183. The next prime is 13871233. The reversal of 13871189 is 98117831.

13871189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6848689 + 7022500 = 2617^2 + 2650^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13871189 - 2⁴ = 13871173 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 (13871183) 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, 7817 + ... + 9425.

It is an arithmetic number, because the mean of its divisors is an integer number (1789515).

Almost surely, 2^13871189 is an apocalyptic number.

It is an amenable number.

13871189 is a deficient number, since it is larger than the sum of its proper divisors (444931).

13871189 is a wasteful number, since it uses less digits than its factorization.

13871189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879.

The product of its digits is 12096, while the sum is 38.

The square root of 13871189 is about 3724.4045161609. The cubic root of 13871189 is about 240.2727743489.

The spelling of 13871189 in words is "thirteen million, eight hundred seventy-one thousand, one hundred eighty-nine".