1307085 has 16 divisors (see below), whose sum is σ = 2252544. Its totient is φ = 643392.

The previous prime is 1307083. The next prime is 1307087. The reversal of 1307085 is 5807031.

1307085 = T₃₀₄ + T₃₀₅ + ... + T₃₂₉.

It is an interprime number because it is at equal distance from previous prime (1307083) and next prime (1307087).

It is not a de Polignac number, because 1307085 - 2¹ = 1307083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3157 + ... + 3546.

It is an arithmetic number, because the mean of its divisors is an integer number (140784).

2^1307085 is an apocalyptic number.

1307085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1307085 is a deficient number, since it is larger than the sum of its proper divisors (945459).

1307085 is a wasteful number, since it uses less digits than its factorization.

1307085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6724.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 1307085 is about 1143.2781813714. The cubic root of 1307085 is about 109.3371989099.

The spelling of 1307085 in words is "one million, three hundred seven thousand, eighty-five".