1317379 has 4 divisors (see below), whose sum is σ = 1505584. Its totient is φ = 1129176.

The previous prime is 1317377. The next prime is 1317397. The reversal of 1317379 is 9737131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1317379 - 2¹ = 1317377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1317379.

It is not an unprimeable number, because it can be changed into a prime (1317377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94092 + ... + 94105.

It is an arithmetic number, because the mean of its divisors is an integer number (376396).

2^1317379 is an apocalyptic number.

1317379 is a deficient number, since it is larger than the sum of its proper divisors (188205).

1317379 is an equidigital number, since it uses as much as digits as its factorization.

1317379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188204.

The product of its digits is 3969, while the sum is 31.

The square root of 1317379 is about 1147.7713186868. The cubic root of 1317379 is about 109.6234785068.

The spelling of 1317379 in words is "one million, three hundred seventeen thousand, three hundred seventy-nine".