1365806 has 16 divisors (see below), whose sum is σ = 2228688. Its totient is φ = 624000.

The previous prime is 1365799. The next prime is 1365811. The reversal of 1365806 is 6085631.

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, 3206 + ... + 3606.

It is an arithmetic number, because the mean of its divisors is an integer number (139293).

2^1365806 is an apocalyptic number.

1365806 is a deficient number, since it is larger than the sum of its proper divisors (862882).

1365806 is a wasteful number, since it uses less digits than its factorization.

1365806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1365806 is about 1168.6770298076. The cubic root of 1365806 is about 110.9506043239.

The spelling of 1365806 in words is "one million, three hundred sixty-five thousand, eight hundred six".