13871263 has 16 divisors (see below), whose sum is σ = 16628800. Its totient is φ = 11557728.

The previous prime is 13871233. The next prime is 13871279. The reversal of 13871263 is 36217831.

It is a de Polignac number, because none of the positive numbers 2^k-13871263 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 (13871233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12145 + ... + 13237.

It is an arithmetic number, because the mean of its divisors is an integer number (1039300).

Almost surely, 2^13871263 is an apocalyptic number.

13871263 is a deficient number, since it is larger than the sum of its proper divisors (2757537).

13871263 is an equidigital number, since it uses as much as digits as its factorization.

13871263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151 (or 1137 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 13871263 is about 3724.4144506217. The cubic root of 13871263 is about 240.2732016171.

The spelling of 13871263 in words is "thirteen million, eight hundred seventy-one thousand, two hundred sixty-three".