13727147 has 4 divisors (see below), whose sum is σ = 15688176. Its totient is φ = 11766120.

The previous prime is 13727123. The next prime is 13727167. The reversal of 13727147 is 74172731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74172731 = 41 ⋅1809091.

It is a cyclic number.

It is not a de Polignac number, because 13727147 - 2²⁰ = 12678571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13727107) 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, 980504 + ... + 980517.

It is an arithmetic number, because the mean of its divisors is an integer number (3922044).

Almost surely, 2^13727147 is an apocalyptic number.

13727147 is a deficient number, since it is larger than the sum of its proper divisors (1961029).

13727147 is an equidigital number, since it uses as much as digits as its factorization.

13727147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961028.

The product of its digits is 8232, while the sum is 32.

The square root of 13727147 is about 3705.0164642009. The cubic root of 13727147 is about 239.4381940198.

Adding to 13727147 its reverse (74172731), we get a palindrome (87899878).

The spelling of 13727147 in words is "thirteen million, seven hundred twenty-seven thousand, one hundred forty-seven".