12597071 has 4 divisors (see below), whose sum is σ = 12618432. Its totient is φ = 12575712.

The previous prime is 12597059. The next prime is 12597083. The reversal of 12597071 is 17079521.

12597071 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: 17079521 = 29 ⋅588949.

It is an interprime number because it is at equal distance from previous prime (12597059) and next prime (12597083).

It is a cyclic number.

It is not a de Polignac number, because 12597071 - 2⁶ = 12597007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12597041) 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, 9770 + ... + 10983.

It is an arithmetic number, because the mean of its divisors is an integer number (3154608).

Almost surely, 2^12597071 is an apocalyptic number.

12597071 is a deficient number, since it is larger than the sum of its proper divisors (21361).

12597071 is an equidigital number, since it uses as much as digits as its factorization.

12597071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21360.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 12597071 is about 3549.2352697447. The cubic root of 12597071 is about 232.6786448332.

The spelling of 12597071 in words is "twelve million, five hundred ninety-seven thousand, seventy-one".