13001873 has 4 divisors (see below), whose sum is σ = 13009920. Its totient is φ = 12993828.

The previous prime is 13001861. The next prime is 13001897. The reversal of 13001873 is 37810031.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 37810031 = 7 ⋅5401433.

It is a cyclic number.

It is not a de Polignac number, because 13001873 - 2¹⁰ = 13000849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13001843) 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, 665 + ... + 5142.

It is an arithmetic number, because the mean of its divisors is an integer number (3252480).

Almost surely, 2^13001873 is an apocalyptic number.

It is an amenable number.

13001873 is a deficient number, since it is larger than the sum of its proper divisors (8047).

13001873 is an equidigital number, since it uses as much as digits as its factorization.

13001873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8046.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 13001873 is about 3605.8110044760. The cubic root of 13001873 is about 235.1447606654.

The spelling of 13001873 in words is "thirteen million, one thousand, eight hundred seventy-three".