13871255 has 4 divisors (see below), whose sum is σ = 16645512. Its totient is φ = 11097000.

The previous prime is 13871233. The next prime is 13871279. The reversal of 13871255 is 55217831.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13871255 - 2¹⁰ = 13870231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1387121 + ... + 1387130.

It is an arithmetic number, because the mean of its divisors is an integer number (4161378).

Almost surely, 2^13871255 is an apocalyptic number.

13871255 is a deficient number, since it is larger than the sum of its proper divisors (2774257).

13871255 is an equidigital number, since it uses as much as digits as its factorization.

13871255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774256.

The product of its digits is 8400, while the sum is 32.

The square root of 13871255 is about 3724.4133766273. The cubic root of 13871255 is about 240.2731554260.

The spelling of 13871255 in words is "thirteen million, eight hundred seventy-one thousand, two hundred fifty-five".