1356685 has 16 divisors (see below), whose sum is σ = 1881792. Its totient is φ = 928000.

The previous prime is 1356671. The next prime is 1356689. The reversal of 1356685 is 5866531.

It is not a de Polignac number, because 1356685 - 2¹¹ = 1354637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1356685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210 + ... + 1660.

It is an arithmetic number, because the mean of its divisors is an integer number (117612).

2^1356685 is an apocalyptic number.

It is an amenable number.

1356685 is a deficient number, since it is larger than the sum of its proper divisors (525107).

1356685 is a wasteful number, since it uses less digits than its factorization.

1356685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484.

The product of its digits is 21600, while the sum is 34.

The square root of 1356685 is about 1164.7682172862. The cubic root of 1356685 is about 110.7030724484.

The spelling of 1356685 in words is "one million, three hundred fifty-six thousand, six hundred eighty-five".