1306085 has 8 divisors (see below), whose sum is σ = 1709856. Its totient is φ = 949840.

The previous prime is 1306069. The next prime is 1306087. The reversal of 1306085 is 5806031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1306085 - 2⁴ = 1306069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1306085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11819 + ... + 11928.

It is an arithmetic number, because the mean of its divisors is an integer number (213732).

2^1306085 is an apocalyptic number.

It is an amenable number.

1306085 is a deficient number, since it is larger than the sum of its proper divisors (403771).

1306085 is a wasteful number, since it uses less digits than its factorization.

1306085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23763.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1306085 is about 1142.8407588111. The cubic root of 1306085 is about 109.3093085804.

The spelling of 1306085 in words is "one million, three hundred six thousand, eighty-five".