13374643 has 2 divisors, whose sum is σ = 13374644. Its totient is φ = 13374642.

The previous prime is 13374637. The next prime is 13374659. The reversal of 13374643 is 34647331.

It is a weak prime.

It is an emirp because it is prime and its reverse (34647331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13374643 - 2⁵ = 13374611 is a prime.

It is not a weakly prime, because it can be changed into another prime (13374623) 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, 6687321 + 6687322.

It is an arithmetic number, because the mean of its divisors is an integer number (6687322).

Almost surely, 2^13374643 is an apocalyptic number.

13374643 is a deficient number, since it is larger than the sum of its proper divisors (1).

13374643 is an equidigital number, since it uses as much as digits as its factorization.

13374643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 31.

The square root of 13374643 is about 3657.1359012211. The cubic root of 13374643 is about 237.3708579535.

The spelling of 13374643 in words is "thirteen million, three hundred seventy-four thousand, six hundred forty-three".