12571 has 4 divisors (see below), whose sum is σ = 13552. Its totient is φ = 11592.

The previous prime is 12569. The next prime is 12577. The reversal of 12571 is 17521.

12571 is nontrivially palindromic in base 12.

12571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17521 = 7 ⋅2503.

It is a cyclic number.

It is not a de Polignac number, because 12571 - 2¹ = 12569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471 + ... + 496.

It is an arithmetic number, because the mean of its divisors is an integer number (3388).

2¹²⁵⁷¹ is an apocalyptic number.

12571 is a deficient number, since it is larger than the sum of its proper divisors (981).

12571 is an equidigital number, since it uses as much as digits as its factorization.

12571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980.

The product of its digits is 70, while the sum is 16.

The square root of 12571 is about 112.1204709230. The cubic root of 12571 is about 23.2518016101.

Subtracting 12571 from its reverse (17521), we obtain a triangular number (4950 = T₉₉).

It can be divided in two parts, 125 and 71, that added together give a square (196 = 14²).

The spelling of 12571 in words is "twelve thousand, five hundred seventy-one".