36013665 has 16 divisors (see below), whose sum is σ = 58134528. Its totient is φ = 19036416.

The previous prime is 36013643. The next prime is 36013669. The reversal of 36013665 is 56631063.

It is not a de Polignac number, because 36013665 - 2¹¹ = 36011617 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36013669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8929 + ... + 12318.

It is an arithmetic number, because the mean of its divisors is an integer number (3633408).

Almost surely, 2^36013665 is an apocalyptic number.

It is an amenable number.

36013665 is a deficient number, since it is larger than the sum of its proper divisors (22120863).

36013665 is a wasteful number, since it uses less digits than its factorization.

36013665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21368.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 36013665 is about 6001.1386419579. The cubic root of 36013665 is about 330.2344981561.

The spelling of 36013665 in words is "thirty-six million, thirteen thousand, six hundred sixty-five".