13667871 has 8 divisors (see below), whose sum is σ = 20827264. Its totient is φ = 7810200.

The previous prime is 13667861. The next prime is 13667891. The reversal of 13667871 is 17876631.

13667871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13667871 - 2¹⁰ = 13666847 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 (13667861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325405 + ... + 325446.

It is an arithmetic number, because the mean of its divisors is an integer number (2603408).

Almost surely, 2^13667871 is an apocalyptic number.

13667871 is a deficient number, since it is larger than the sum of its proper divisors (7159393).

13667871 is an equidigital number, since it uses as much as digits as its factorization.

13667871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650861.

The product of its digits is 42336, while the sum is 39.

The square root of 13667871 is about 3697.0083851677. The cubic root of 13667871 is about 239.0930527058.

The spelling of 13667871 in words is "thirteen million, six hundred sixty-seven thousand, eight hundred seventy-one".