1318711 has 2 divisors, whose sum is σ = 1318712. Its totient is φ = 1318710.

The previous prime is 1318703. The next prime is 1318721. The reversal of 1318711 is 1178131.

It is a weak prime.

It is an emirp because it is prime and its reverse (1178131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1318711 - 2³ = 1318703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1318721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659355 + 659356.

It is an arithmetic number, because the mean of its divisors is an integer number (659356).

2^1318711 is an apocalyptic number.

1318711 is a deficient number, since it is larger than the sum of its proper divisors (1).

1318711 is an equidigital number, since it uses as much as digits as its factorization.

1318711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168, while the sum is 22.

The square root of 1318711 is about 1148.3514270466. The cubic root of 1318711 is about 109.6604127750.

The spelling of 1318711 in words is "one million, three hundred eighteen thousand, seven hundred eleven".