1318579 has 2 divisors, whose sum is σ = 1318580. Its totient is φ = 1318578.

The previous prime is 1318553. The next prime is 1318609. The reversal of 1318579 is 9758131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1318579 - 2⁷ = 1318451 is a prime.

It is not a weakly prime, because it can be changed into another prime (1318549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659289 + 659290.

It is an arithmetic number, because the mean of its divisors is an integer number (659290).

2^1318579 is an apocalyptic number.

1318579 is a deficient number, since it is larger than the sum of its proper divisors (1).

1318579 is an equidigital number, since it uses as much as digits as its factorization.

1318579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 34.

The square root of 1318579 is about 1148.2939519130. The cubic root of 1318579 is about 109.6567537328.

The spelling of 1318579 in words is "one million, three hundred eighteen thousand, five hundred seventy-nine".