13667873 has 4 divisors (see below), whose sum is σ = 13682580. Its totient is φ = 13653168.

The previous prime is 13667861. The next prime is 13667891. The reversal of 13667873 is 37876631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37876631 = 13 ⋅2913587.

It can be written as a sum of positive squares in 2 ways, for example, as 11785489 + 1882384 = 3433^2 + 1372^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13667873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13667873.

It is not an unprimeable number, because it can be changed into a prime (13667803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5858 + ... + 7851.

It is an arithmetic number, because the mean of its divisors is an integer number (3420645).

Almost surely, 2^13667873 is an apocalyptic number.

It is an amenable number.

13667873 is a deficient number, since it is larger than the sum of its proper divisors (14707).

13667873 is an equidigital number, since it uses as much as digits as its factorization.

13667873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14706.

The product of its digits is 127008, while the sum is 41.

The square root of 13667873 is about 3697.0086556566. The cubic root of 13667873 is about 239.0930643679.

The spelling of 13667873 in words is "thirteen million, six hundred sixty-seven thousand, eight hundred seventy-three".