1313686 has 16 divisors (see below), whose sum is σ = 2167488. Its totient is φ = 592200.

The previous prime is 1313677. The next prime is 1313699. The reversal of 1313686 is 6863131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4501 + ... + 4783.

It is an arithmetic number, because the mean of its divisors is an integer number (135468).

2^1313686 is an apocalyptic number.

1313686 is a deficient number, since it is larger than the sum of its proper divisors (853802).

1313686 is a wasteful number, since it uses less digits than its factorization.

1313686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507.

The product of its digits is 2592, while the sum is 28.

The square root of 1313686 is about 1146.1614196962. The cubic root of 1313686 is about 109.5209470431.

The spelling of 1313686 in words is "one million, three hundred thirteen thousand, six hundred eighty-six".