1316589 has 8 divisors (see below), whose sum is σ = 1831872. Its totient is φ = 839520.

The previous prime is 1316537. The next prime is 1316591. The reversal of 1316589 is 9856131.

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

It is not a de Polignac number, because 1316589 - 2¹⁶ = 1251053 is a prime.

It is a super-3 number, since 3×1316589³ = 6846552166201333407, which contains 333 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316509) 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 in 7 ways as a sum of consecutive naturals, for example, 9472 + ... + 9609.

It is an arithmetic number, because the mean of its divisors is an integer number (228984).

2^1316589 is an apocalyptic number.

It is an amenable number.

1316589 is a deficient number, since it is larger than the sum of its proper divisors (515283).

1316589 is a wasteful number, since it uses less digits than its factorization.

1316589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19107.

The product of its digits is 6480, while the sum is 33.

The square root of 1316589 is about 1147.4271218687. The cubic root of 1316589 is about 109.6015612845.

The spelling of 1316589 in words is "one million, three hundred sixteen thousand, five hundred eighty-nine".