13591043 has 2 divisors, whose sum is σ = 13591044. Its totient is φ = 13591042.

The previous prime is 13591031. The next prime is 13591069. The reversal of 13591043 is 34019531.

It is an a-pointer prime, because the next prime (13591069) can be obtained adding 13591043 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13591043 - 2⁴ = 13591027 is a prime.

It is not a weakly prime, because it can be changed into another prime (13591013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6795521 + 6795522.

It is an arithmetic number, because the mean of its divisors is an integer number (6795522).

Almost surely, 2^13591043 is an apocalyptic number.

13591043 is a deficient number, since it is larger than the sum of its proper divisors (1).

13591043 is an equidigital number, since it uses as much as digits as its factorization.

13591043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 13591043 is about 3686.6031790796. The cubic root of 13591043 is about 238.6442247745.

The spelling of 13591043 in words is "thirteen million, five hundred ninety-one thousand, forty-three".