13871259 has 6 divisors (see below), whose sum is σ = 20036276. Its totient is φ = 9247500.

The previous prime is 13871233. The next prime is 13871279. The reversal of 13871259 is 95217831.

It is not a de Polignac number, because 13871259 - 2¹⁵ = 13838491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13871279) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 770617 + ... + 770634.

Almost surely, 2^13871259 is an apocalyptic number.

13871259 is a deficient number, since it is larger than the sum of its proper divisors (6165017).

13871259 is a wasteful number, since it uses less digits than its factorization.

13871259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541257 (or 1541254 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 13871259 is about 3724.4139136245. The cubic root of 13871259 is about 240.2731785216.

The spelling of 13871259 in words is "thirteen million, eight hundred seventy-one thousand, two hundred fifty-nine".