13441643 has 2 divisors, whose sum is σ = 13441644. Its totient is φ = 13441642.

The previous prime is 13441633. The next prime is 13441657. The reversal of 13441643 is 34614431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13441643 - 2⁴ = 13441627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13441633) 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, 6720821 + 6720822.

It is an arithmetic number, because the mean of its divisors is an integer number (6720822).

Almost surely, 2^13441643 is an apocalyptic number.

13441643 is a deficient number, since it is larger than the sum of its proper divisors (1).

13441643 is an equidigital number, since it uses as much as digits as its factorization.

13441643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 26.

The square root of 13441643 is about 3666.2846316128. The cubic root of 13441643 is about 237.7665660727.

The spelling of 13441643 in words is "thirteen million, four hundred forty-one thousand, six hundred forty-three".