1313806 has 20 divisors (see below), whose sum is σ = 2227752. Its totient is φ = 580008.

The previous prime is 1313797. The next prime is 1313813. The reversal of 1313806 is 6083131.

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 57111 + ... + 57133.

2^1313806 is an apocalyptic number.

1313806 is a deficient number, since it is larger than the sum of its proper divisors (913946).

1313806 is an frugal number, since it uses more digits than its factorization.

1313806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1313806 is about 1146.2137671482. The cubic root of 1313806 is about 109.5242817095.

Adding to 1313806 its reverse (6083131), we get a palindrome (7396937).

The spelling of 1313806 in words is "one million, three hundred thirteen thousand, eight hundred six".