12857711 has 2 divisors, whose sum is σ = 12857712. Its totient is φ = 12857710.

The previous prime is 12857659. The next prime is 12857771. The reversal of 12857711 is 11775821.

12857711 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12857711 - 2¹⁴ = 12841327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12857771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6428855 + 6428856.

It is an arithmetic number, because the mean of its divisors is an integer number (6428856).

Almost surely, 2^12857711 is an apocalyptic number.

12857711 is a deficient number, since it is larger than the sum of its proper divisors (1).

12857711 is an equidigital number, since it uses as much as digits as its factorization.

12857711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3920, while the sum is 32.

The square root of 12857711 is about 3585.7650508643. The cubic root of 12857711 is about 234.2724503305.

The spelling of 12857711 in words is "twelve million, eight hundred fifty-seven thousand, seven hundred eleven".