13746739 has 2 divisors, whose sum is σ = 13746740. Its totient is φ = 13746738.

The previous prime is 13746737. The next prime is 13746749. The reversal of 13746739 is 93764731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13746739 - 2¹ = 13746737 is a prime.

Together with 13746737, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13746731) 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 as a sum of consecutive naturals, namely, 6873369 + 6873370.

It is an arithmetic number, because the mean of its divisors is an integer number (6873370).

Almost surely, 2^13746739 is an apocalyptic number.

13746739 is a deficient number, since it is larger than the sum of its proper divisors (1).

13746739 is an equidigital number, since it uses as much as digits as its factorization.

13746739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 40.

The square root of 13746739 is about 3707.6595043234. The cubic root of 13746739 is about 239.5520521798.

The spelling of 13746739 in words is "thirteen million, seven hundred forty-six thousand, seven hundred thirty-nine".