1316659 has 4 divisors (see below), whose sum is σ = 1320904. Its totient is φ = 1312416.

The previous prime is 1316657. The next prime is 1316669. The reversal of 1316659 is 9566131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9566131 = 2063 ⋅4637.

It is a cyclic number.

It is not a de Polignac number, because 1316659 - 2¹ = 1316657 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 1316659.

It is not an unprimeable number, because it can be changed into a prime (1316657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1617 + ... + 2290.

It is an arithmetic number, because the mean of its divisors is an integer number (330226).

2^1316659 is an apocalyptic number.

1316659 is a deficient number, since it is larger than the sum of its proper divisors (4245).

1316659 is an equidigital number, since it uses as much as digits as its factorization.

1316659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4244.

The product of its digits is 4860, while the sum is 31.

The square root of 1316659 is about 1147.4576244899. The cubic root of 1316659 is about 109.6035036708.

It can be divided in two parts, 13166 and 59, that added together give a square (13225 = 115²).

The spelling of 1316659 in words is "one million, three hundred sixteen thousand, six hundred fifty-nine".