13656727 has 8 divisors (see below), whose sum is σ = 15769376. Its totient is φ = 11584512.

The previous prime is 13656697. The next prime is 13656739. The reversal of 13656727 is 72765631.

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

It is a cyclic number.

It is not a de Polignac number, because 13656727 - 2¹⁵ = 13623959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13656787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9378 + ... + 10735.

It is an arithmetic number, because the mean of its divisors is an integer number (1971172).

Almost surely, 2^13656727 is an apocalyptic number.

13656727 is a deficient number, since it is larger than the sum of its proper divisors (2112649).

13656727 is an equidigital number, since it uses as much as digits as its factorization.

13656727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20217.

The product of its digits is 52920, while the sum is 37.

The square root of 13656727 is about 3695.5009132728. The cubic root of 13656727 is about 239.0280541055.

The spelling of 13656727 in words is "thirteen million, six hundred fifty-six thousand, seven hundred twenty-seven".