13344689 has 2 divisors, whose sum is σ = 13344690. Its totient is φ = 13344688.

The previous prime is 13344673. The next prime is 13344703. The reversal of 13344689 is 98644331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12902464 + 442225 = 3592^2 + 665^2 .

It is a cyclic number.

It is not a de Polignac number, because 13344689 - 2⁴ = 13344673 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (13340689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6672344 + 6672345.

It is an arithmetic number, because the mean of its divisors is an integer number (6672345).

Almost surely, 2^13344689 is an apocalyptic number.

It is an amenable number.

13344689 is a deficient number, since it is larger than the sum of its proper divisors (1).

13344689 is an equidigital number, since it uses as much as digits as its factorization.

13344689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 38.

The square root of 13344689 is about 3653.0383244636. The cubic root of 13344689 is about 237.1935193552.

The spelling of 13344689 in words is "thirteen million, three hundred forty-four thousand, six hundred eighty-nine".