13073 has 4 divisors (see below), whose sum is σ = 13860. Its totient is φ = 12288.

The previous prime is 13063. The next prime is 13093. The reversal of 13073 is 37031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37031 = 19 ⋅1949.

It can be written as a sum of positive squares in 2 ways, for example, as 7744 + 5329 = 88^2 + 73^2 .

It is a cyclic number.

It is not a de Polignac number, because 13073 - 2⁶ = 13009 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a zygodrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13003) 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, 368 + ... + 401.

It is an arithmetic number, because the mean of its divisors is an integer number (3465).

2¹³⁰⁷³ is an apocalyptic number.

It is an amenable number.

13073 is a deficient number, since it is larger than the sum of its proper divisors (787).

13073 is an equidigital number, since it uses as much as digits as its factorization.

13073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786.

The product of its (nonzero) digits is 63, while the sum is 14.

The square root of 13073 is about 114.3372205364. The cubic root of 13073 is about 23.5572769136.

The spelling of 13073 in words is "thirteen thousand, seventy-three".