13864165 has 8 divisors (see below), whose sum is σ = 19013760. Its totient is φ = 9506832.

The previous prime is 13864139. The next prime is 13864171. The reversal of 13864165 is 56146831.

It is a happy number.

13864165 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13864165 - 2¹⁵ = 13831397 is a prime.

It is a super-2 number, since 2×13864165² = 384430142294450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13864165.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 198025 + ... + 198094.

It is an arithmetic number, because the mean of its divisors is an integer number (2376720).

Almost surely, 2^13864165 is an apocalyptic number.

It is an amenable number.

13864165 is a deficient number, since it is larger than the sum of its proper divisors (5149595).

13864165 is an equidigital number, since it uses as much as digits as its factorization.

13864165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396131.

The product of its digits is 17280, while the sum is 34.

The square root of 13864165 is about 3723.4614272206. The cubic root of 13864165 is about 240.2322115942.

The spelling of 13864165 in words is "thirteen million, eight hundred sixty-four thousand, one hundred sixty-five".