13871361 has 24 divisors (see below), whose sum is σ = 21669120. Its totient is φ = 7869792.

The previous prime is 13871359. The next prime is 13871383. The reversal of 13871361 is 16317831.

It is not a de Polignac number, because 13871361 - 2¹ = 13871359 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13871761) 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, 28720 + ... + 29198.

It is an arithmetic number, because the mean of its divisors is an integer number (902880).

Almost surely, 2^13871361 is an apocalyptic number.

It is an amenable number.

13871361 is a deficient number, since it is larger than the sum of its proper divisors (7797759).

13871361 is a wasteful number, since it uses less digits than its factorization.

13871361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693 (or 686 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 13871361 is about 3724.4276070290. The cubic root of 13871361 is about 240.2737674565.

The spelling of 13871361 in words is "thirteen million, eight hundred seventy-one thousand, three hundred sixty-one".