13963873 has 16 divisors (see below), whose sum is σ = 17769600. Its totient is φ = 10878000.

The previous prime is 13963871. The next prime is 13963889. The reversal of 13963873 is 37836931.

It is not a de Polignac number, because 13963873 - 2¹ = 13963871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13963871) 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, 1923 + ... + 5623.

It is an arithmetic number, because the mean of its divisors is an integer number (1110600).

Almost surely, 2^13963873 is an apocalyptic number.

It is an amenable number.

13963873 is a deficient number, since it is larger than the sum of its proper divisors (3805727).

13963873 is an equidigital number, since it uses as much as digits as its factorization.

13963873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3733 (or 3719 counting only the distinct ones).

The product of its digits is 81648, while the sum is 40.

The square root of 13963873 is about 3736.8265948529. The cubic root of 13963873 is about 240.8067354345.

The spelling of 13963873 in words is "thirteen million, nine hundred sixty-three thousand, eight hundred seventy-three".