12812711 has 4 divisors (see below), whose sum is σ = 12829032. Its totient is φ = 12796392.

The previous prime is 12812699. The next prime is 12812729. The reversal of 12812711 is 11721821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11721821 = 61 ⋅192161.

It is a cyclic number.

It is not a de Polignac number, because 12812711 - 2⁶ = 12812647 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 (12812791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6920 + ... + 8573.

It is an arithmetic number, because the mean of its divisors is an integer number (3207258).

Almost surely, 2^12812711 is an apocalyptic number.

12812711 is a deficient number, since it is larger than the sum of its proper divisors (16321).

12812711 is an equidigital number, since it uses as much as digits as its factorization.

12812711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16320.

The product of its digits is 224, while the sum is 23.

The square root of 12812711 is about 3579.4847394562. The cubic root of 12812711 is about 233.9988250848.

The spelling of 12812711 in words is "twelve million, eight hundred twelve thousand, seven hundred eleven".