13918337 has 2 divisors, whose sum is σ = 13918338. Its totient is φ = 13918336.

The previous prime is 13918301. The next prime is 13918339. The reversal of 13918337 is 73381931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12609601 + 1308736 = 3551^2 + 1144^2 .

It is a cyclic number.

It is not a de Polignac number, because 13918337 - 2⁶ = 13918273 is a prime.

Together with 13918339, 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 = 13918297 and 13918306.

It is not a weakly prime, because it can be changed into another prime (13918339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6959168 + 6959169.

It is an arithmetic number, because the mean of its divisors is an integer number (6959169).

Almost surely, 2^13918337 is an apocalyptic number.

It is an amenable number.

13918337 is a deficient number, since it is larger than the sum of its proper divisors (1).

13918337 is an equidigital number, since it uses as much as digits as its factorization.

13918337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 35.

The square root of 13918337 is about 3730.7287491856. The cubic root of 13918337 is about 240.5446945604.

The spelling of 13918337 in words is "thirteen million, nine hundred eighteen thousand, three hundred thirty-seven".