13727047 has 2 divisors, whose sum is σ = 13727048. Its totient is φ = 13727046.

The previous prime is 13727039. The next prime is 13727057. The reversal of 13727047 is 74072731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13727047 - 2³ = 13727039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13727057) 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 as a sum of consecutive naturals, namely, 6863523 + 6863524.

It is an arithmetic number, because the mean of its divisors is an integer number (6863524).

Almost surely, 2^13727047 is an apocalyptic number.

13727047 is a deficient number, since it is larger than the sum of its proper divisors (1).

13727047 is an equidigital number, since it uses as much as digits as its factorization.

13727047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 13727047 is about 3705.0029689597. The cubic root of 13727047 is about 239.4376125959.

Adding to 13727047 its reverse (74072731), we get a palindrome (87799778).

The spelling of 13727047 in words is "thirteen million, seven hundred twenty-seven thousand, forty-seven".