1317071 has 6 divisors (see below), whose sum is σ = 1532160. Its totient is φ = 1128876.

The previous prime is 1317067. The next prime is 1317079. The reversal of 1317071 is 1707131.

It is not a de Polignac number, because 1317071 - 2² = 1317067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13391 + ... + 13488.

It is an arithmetic number, because the mean of its divisors is an integer number (255360).

2^1317071 is an apocalyptic number.

1317071 is a deficient number, since it is larger than the sum of its proper divisors (215089).

1317071 is an equidigital number, since it uses as much as digits as its factorization.

1317071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26893 (or 26886 counting only the distinct ones).

The product of its (nonzero) digits is 147, while the sum is 20.

The square root of 1317071 is about 1147.6371377748. The cubic root of 1317071 is about 109.6149346068.

The spelling of 1317071 in words is "one million, three hundred seventeen thousand, seventy-one".