13071 has 4 divisors (see below), whose sum is σ = 17432. Its totient is φ = 8712.

The previous prime is 13063. The next prime is 13093. The reversal of 13071 is 17031.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13071 - 2³ = 13063 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13001) 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, 2176 + ... + 2181.

It is an arithmetic number, because the mean of its divisors is an integer number (4358).

2¹³⁰⁷¹ is an apocalyptic number.

13071 is a deficient number, since it is larger than the sum of its proper divisors (4361).

13071 is an equidigital number, since it uses as much as digits as its factorization.

13071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4360.

The product of its (nonzero) digits is 21, while the sum is 12.

The square root of 13071 is about 114.3284741436. The cubic root of 13071 is about 23.5560755327.

The spelling of 13071 in words is "thirteen thousand, seventy-one".