13727939 has 2 divisors, whose sum is σ = 13727940. Its totient is φ = 13727938.

The previous prime is 13727927. The next prime is 13727953. The reversal of 13727939 is 93972731.

13727939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13727939 - 2¹⁶ = 13662403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13727896 and 13727905.

It is not a weakly prime, because it can be changed into another prime (13727039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6863969 + 6863970.

It is an arithmetic number, because the mean of its divisors is an integer number (6863970).

Almost surely, 2^13727939 is an apocalyptic number.

13727939 is a deficient number, since it is larger than the sum of its proper divisors (1).

13727939 is an equidigital number, since it uses as much as digits as its factorization.

13727939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71442, while the sum is 41.

The square root of 13727939 is about 3705.1233447754. The cubic root of 13727939 is about 239.4427987981.

The spelling of 13727939 in words is "thirteen million, seven hundred twenty-seven thousand, nine hundred thirty-nine".