13170873 has 4 divisors (see below), whose sum is σ = 17561168. Its totient is φ = 8780580.

The previous prime is 13170851. The next prime is 13170907. The reversal of 13170873 is 37807131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-13170873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13170873.

It is not an unprimeable number, because it can be changed into a prime (13170803) 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, 2195143 + ... + 2195148.

It is an arithmetic number, because the mean of its divisors is an integer number (4390292).

Almost surely, 2^13170873 is an apocalyptic number.

It is an amenable number.

13170873 is a deficient number, since it is larger than the sum of its proper divisors (4390295).

13170873 is an equidigital number, since it uses as much as digits as its factorization.

13170873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4390294.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 13170873 is about 3629.1697397614. The cubic root of 13170873 is about 236.1591918857.

The spelling of 13170873 in words is "thirteen million, one hundred seventy thousand, eight hundred seventy-three".