1013686 has 4 divisors (see below), whose sum is σ = 1520532. Its totient is φ = 506842.

The previous prime is 1013681. The next prime is 1013687. The reversal of 1013686 is 6863101.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1013686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253420 + ... + 253423.

It is an arithmetic number, because the mean of its divisors is an integer number (380133).

2^1013686 is an apocalyptic number.

1013686 is a deficient number, since it is larger than the sum of its proper divisors (506846).

1013686 is an equidigital number, since it uses as much as digits as its factorization.

1013686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506845.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1013686 is about 1006.8197455354. The cubic root of 1013686 is about 100.4541344966.

Adding to 1013686 its reverse (6863101), we get a palindrome (7876787).

The spelling of 1013686 in words is "one million, thirteen thousand, six hundred eighty-six".