1317671 has 2 divisors, whose sum is σ = 1317672. Its totient is φ = 1317670.

The previous prime is 1317629. The next prime is 1317677. The reversal of 1317671 is 1767131.

It is a strong prime.

It is an emirp because it is prime and its reverse (1767131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1317671 - 2¹⁰ = 1316647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1317671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1317677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658835 + 658836.

It is an arithmetic number, because the mean of its divisors is an integer number (658836).

2^1317671 is an apocalyptic number.

1317671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317671 is an equidigital number, since it uses as much as digits as its factorization.

1317671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 882, while the sum is 26.

The square root of 1317671 is about 1147.8985146780. The cubic root of 1317671 is about 109.6315773381.

The spelling of 1317671 in words is "one million, three hundred seventeen thousand, six hundred seventy-one".