13728586 has 8 divisors (see below), whose sum is σ = 20623680. Its totient is φ = 6854028.

The previous prime is 13728581. The next prime is 13728607. The reversal of 13728586 is 68582731.

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

It is not an unprimeable number, because it can be changed into a prime (13728581) 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 3 ways as a sum of consecutive naturals, for example, 3336 + ... + 6211.

It is an arithmetic number, because the mean of its divisors is an integer number (2577960).

Almost surely, 2^13728586 is an apocalyptic number.

13728586 is a deficient number, since it is larger than the sum of its proper divisors (6895094).

13728586 is an equidigital number, since it uses as much as digits as its factorization.

13728586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10268.

The product of its digits is 80640, while the sum is 40.

The square root of 13728586 is about 3705.2106552799. The cubic root of 13728586 is about 239.4465603983.

The spelling of 13728586 in words is "thirteen million, seven hundred twenty-eight thousand, five hundred eighty-six".