1013806 has 4 divisors (see below), whose sum is σ = 1520712. Its totient is φ = 506902.

The previous prime is 1013791. The next prime is 1013813. The reversal of 1013806 is 6083101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6083101 = 1553 ⋅3917.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253450 + ... + 253453.

It is an arithmetic number, because the mean of its divisors is an integer number (380178).

2^1013806 is an apocalyptic number.

1013806 is a deficient number, since it is larger than the sum of its proper divisors (506906).

1013806 is an equidigital number, since it uses as much as digits as its factorization.

1013806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506905.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1013806 is about 1006.8793373588. The cubic root of 1013806 is about 100.4580982554.

Adding to 1013806 its reverse (6083101), we get a palindrome (7096907).

The spelling of 1013806 in words is "one million, thirteen thousand, eight hundred six".