1317485 has 8 divisors (see below), whose sum is σ = 1702680. Its totient is φ = 972864.

The previous prime is 1317461. The next prime is 1317487. The reversal of 1317485 is 5847131.

It can be written as a sum of positive squares in 4 ways, for example, as 94249 + 1223236 = 307^2 + 1106^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1317485 - 2⁸ = 1317229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10070 + ... + 10199.

It is an arithmetic number, because the mean of its divisors is an integer number (212835).

2^1317485 is an apocalyptic number.

It is an amenable number.

1317485 is a deficient number, since it is larger than the sum of its proper divisors (385195).

1317485 is a wasteful number, since it uses less digits than its factorization.

1317485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20287.

The product of its digits is 3360, while the sum is 29.

The square root of 1317485 is about 1147.8174942037. The cubic root of 1317485 is about 109.6264186318.

The spelling of 1317485 in words is "one million, three hundred seventeen thousand, four hundred eighty-five".