13673871 has 24 divisors (see below), whose sum is σ = 20489040. Its totient is φ = 8781696.

The previous prime is 13673867. The next prime is 13673903. The reversal of 13673871 is 17837631.

13673871 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13673871 - 2² = 13673867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13673071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34245 + ... + 34641.

It is an arithmetic number, because the mean of its divisors is an integer number (853710).

Almost surely, 2^13673871 is an apocalyptic number.

13673871 is a deficient number, since it is larger than the sum of its proper divisors (6815169).

13673871 is a wasteful number, since it uses less digits than its factorization.

13673871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 532 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 13673871 is about 3697.8197630496. The cubic root of 13673871 is about 239.1280337318.

Subtracting from 13673871 its sum of digits (36), we obtain a triangular number (13673835 = T₅₂₂₉).

The spelling of 13673871 in words is "thirteen million, six hundred seventy-three thousand, eight hundred seventy-one".