11965085 has 12 divisors (see below), whose sum is σ = 15782844. Its totient is φ = 8701440.

The previous prime is 11965069. The next prime is 11965087. The reversal of 11965085 is 58056911.

11965085 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4937284 + 7027801 = 2222^2 + 2651^2 .

It is not a de Polignac number, because 11965085 - 2⁴ = 11965069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11965087) 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 11 ways as a sum of consecutive naturals, for example, 9284 + ... + 10493.

It is an arithmetic number, because the mean of its divisors is an integer number (1315237).

Almost surely, 2^11965085 is an apocalyptic number.

It is an amenable number.

11965085 is a deficient number, since it is larger than the sum of its proper divisors (3817759).

11965085 is a wasteful number, since it uses less digits than its factorization.

11965085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19804 (or 19793 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 11965085 is about 3459.0583978881. The cubic root of 11965085 is about 228.7205900458.

The spelling of 11965085 in words is "eleven million, nine hundred sixty-five thousand, eighty-five".