13384391 has 2 divisors, whose sum is σ = 13384392. Its totient is φ = 13384390.

The previous prime is 13384387. The next prime is 13384433. The reversal of 13384391 is 19348331.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (19348331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13384391 - 2² = 13384387 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13384291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6692195 + 6692196.

It is an arithmetic number, because the mean of its divisors is an integer number (6692196).

Almost surely, 2^13384391 is an apocalyptic number.

13384391 is a deficient number, since it is larger than the sum of its proper divisors (1).

13384391 is an equidigital number, since it uses as much as digits as its factorization.

13384391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 13384391 is about 3658.4683953808. The cubic root of 13384391 is about 237.4285125565.

The spelling of 13384391 in words is "thirteen million, three hundred eighty-four thousand, three hundred ninety-one".