13258643 has 2 divisors, whose sum is σ = 13258644. Its totient is φ = 13258642.

The previous prime is 13258633. The next prime is 13258667. The reversal of 13258643 is 34685231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13258643 - 2⁴ = 13258627 is a prime.

It is a super-2 number, since 2×13258643² = 351583228402898, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13258613) 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, 6629321 + 6629322.

It is an arithmetic number, because the mean of its divisors is an integer number (6629322).

Almost surely, 2^13258643 is an apocalyptic number.

13258643 is a deficient number, since it is larger than the sum of its proper divisors (1).

13258643 is an equidigital number, since it uses as much as digits as its factorization.

13258643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 13258643 is about 3641.2419584532. The cubic root of 13258643 is about 236.6826150288.

Adding to 13258643 its sum of digits (32), we get a triangular number (13258675 = T₅₁₄₉).

The spelling of 13258643 in words is "thirteen million, two hundred fifty-eight thousand, six hundred forty-three".