1317682 has 4 divisors (see below), whose sum is σ = 1976526. Its totient is φ = 658840.

The previous prime is 1317677. The next prime is 1317683. The reversal of 1317682 is 2867131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2867131 = 67 ⋅42793.

It can be written as a sum of positive squares in only one way, i.e., 826281 + 491401 = 909^2 + 701^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1317682.

It is not an unprimeable number, because it can be changed into a prime (1317683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329419 + ... + 329422.

2^1317682 is an apocalyptic number.

1317682 is a deficient number, since it is larger than the sum of its proper divisors (658844).

1317682 is an equidigital number, since it uses as much as digits as its factorization.

1317682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658843.

The product of its digits is 2016, while the sum is 28.

The square root of 1317682 is about 1147.9033060324. The cubic root of 1317682 is about 109.6318824077.

The spelling of 1317682 in words is "one million, three hundred seventeen thousand, six hundred eighty-two".