13727565 has 24 divisors (see below), whose sum is σ = 24025248. Its totient is φ = 7250400.

The previous prime is 13727543. The next prime is 13727587. The reversal of 13727565 is 56572731.

13727565 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13727543) and next prime (13727587).

It is not a de Polignac number, because 13727565 - 2⁵ = 13727533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3390 + ... + 6240.

It is an arithmetic number, because the mean of its divisors is an integer number (1001052).

Almost surely, 2^13727565 is an apocalyptic number.

13727565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13727565 is a deficient number, since it is larger than the sum of its proper divisors (10297683).

13727565 is a wasteful number, since it uses less digits than its factorization.

13727565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969 (or 2966 counting only the distinct ones).

The product of its digits is 44100, while the sum is 36.

The square root of 13727565 is about 3705.0728737772. The cubic root of 13727565 is about 239.4406243415.

The spelling of 13727565 in words is "thirteen million, seven hundred twenty-seven thousand, five hundred sixty-five".