13367873 has 4 divisors (see below), whose sum is σ = 13375188. Its totient is φ = 13360560.

The previous prime is 13367843. The next prime is 13367891. The reversal of 13367873 is 37876331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 37876331 = 23 ⋅1646797.

It can be written as a sum of positive squares in 2 ways, for example, as 9878449 + 3489424 = 3143^2 + 1868^2 .

It is a cyclic number.

It is not a de Polignac number, because 13367873 - 2²⁰ = 12319297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13367813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1715 + ... + 5447.

It is an arithmetic number, because the mean of its divisors is an integer number (3343797).

Almost surely, 2^13367873 is an apocalyptic number.

It is an amenable number.

13367873 is a deficient number, since it is larger than the sum of its proper divisors (7315).

13367873 is an equidigital number, since it uses as much as digits as its factorization.

13367873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7314.

The product of its digits is 63504, while the sum is 38.

The square root of 13367873 is about 3656.2101963645. The cubic root of 13367873 is about 237.3308002630.

The spelling of 13367873 in words is "thirteen million, three hundred sixty-seven thousand, eight hundred seventy-three".