13893871 has 8 divisors (see below), whose sum is σ = 14572080. Its totient is φ = 13228992.

The previous prime is 13893853. The next prime is 13893923. The reversal of 13893871 is 17839831.

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 13893871 - 2⁵ = 13893839 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 (13893821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1165 + ... + 5398.

It is an arithmetic number, because the mean of its divisors is an integer number (1821510).

Almost surely, 2^13893871 is an apocalyptic number.

13893871 is a deficient number, since it is larger than the sum of its proper divisors (678209).

13893871 is an equidigital number, since it uses as much as digits as its factorization.

13893871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6665.

The product of its digits is 36288, while the sum is 40.

The square root of 13893871 is about 3727.4483229148. The cubic root of 13893871 is about 240.4036667390.

The spelling of 13893871 in words is "thirteen million, eight hundred ninety-three thousand, eight hundred seventy-one".