13727347 has 4 divisors (see below), whose sum is σ = 14534856. Its totient is φ = 12919840.

The previous prime is 13727341. The next prime is 13727369. The reversal of 13727347 is 74372731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13727347 - 2¹⁵ = 13694579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13727341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403729 + ... + 403762.

It is an arithmetic number, because the mean of its divisors is an integer number (3633714).

Almost surely, 2^13727347 is an apocalyptic number.

13727347 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13727347 is a deficient number, since it is larger than the sum of its proper divisors (807509).

13727347 is an equidigital number, since it uses as much as digits as its factorization.

13727347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807508.

The product of its digits is 24696, while the sum is 34.

The square root of 13727347 is about 3705.0434545360. The cubic root of 13727347 is about 239.4393568593.

The spelling of 13727347 in words is "thirteen million, seven hundred twenty-seven thousand, three hundred forty-seven".