13827727 has 4 divisors (see below), whose sum is σ = 13841536. Its totient is φ = 13813920.

The previous prime is 13827721. The next prime is 13827731. The reversal of 13827727 is 72772831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72772831 = 19 ⋅3830149.

It is a cyclic number.

It is not a de Polignac number, because 13827727 - 2³ = 13827719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13827721) 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, 5274 + ... + 7447.

It is an arithmetic number, because the mean of its divisors is an integer number (3460384).

Almost surely, 2^13827727 is an apocalyptic number.

13827727 is a deficient number, since it is larger than the sum of its proper divisors (13809).

13827727 is a wasteful number, since it uses less digits than its factorization.

13827727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13808.

The product of its digits is 32928, while the sum is 37.

The square root of 13827727 is about 3718.5651802812. The cubic root of 13827727 is about 240.0215663490.

The spelling of 13827727 in words is "thirteen million, eight hundred twenty-seven thousand, seven hundred twenty-seven".