13407791 has 2 divisors, whose sum is σ = 13407792. Its totient is φ = 13407790.

The previous prime is 13407731. The next prime is 13407799. The reversal of 13407791 is 19770431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13407791 is a prime.

It is a Sophie Germain 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 (13407799) 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, 6703895 + 6703896.

It is an arithmetic number, because the mean of its divisors is an integer number (6703896).

Almost surely, 2^13407791 is an apocalyptic number.

13407791 is a deficient number, since it is larger than the sum of its proper divisors (1).

13407791 is an equidigital number, since it uses as much as digits as its factorization.

13407791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 13407791 is about 3661.6650584126. The cubic root of 13407791 is about 237.5667978316.

The spelling of 13407791 in words is "thirteen million, four hundred seven thousand, seven hundred ninety-one".