13740017 has 2 divisors, whose sum is σ = 13740018. Its totient is φ = 13740016.

The previous prime is 13739989. The next prime is 13740019. The reversal of 13740017 is 71004731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9991921 + 3748096 = 3161^2 + 1936^2 .

It is a cyclic number.

It is not a de Polignac number, because 13740017 - 2¹² = 13735921 is a prime.

Together with 13740019, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13739974 and 13740001.

It is not a weakly prime, because it can be changed into another prime (13740019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6870008 + 6870009.

It is an arithmetic number, because the mean of its divisors is an integer number (6870009).

Almost surely, 2^13740017 is an apocalyptic number.

It is an amenable number.

13740017 is a deficient number, since it is larger than the sum of its proper divisors (1).

13740017 is an equidigital number, since it uses as much as digits as its factorization.

13740017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 13740017 is about 3706.7528916830. The cubic root of 13740017 is about 239.5129997317.

Adding to 13740017 its reverse (71004731), we get a palindrome (84744748).

The spelling of 13740017 in words is "thirteen million, seven hundred forty thousand, seventeen".