13197643 has 2 divisors, whose sum is σ = 13197644. Its totient is φ = 13197642.

The previous prime is 13197637. The next prime is 13197649. The reversal of 13197643 is 34679131.

It is a balanced prime because it is at equal distance from previous prime (13197637) and next prime (13197649).

It is an emirp because it is prime and its reverse (34679131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13197643 - 2⁹ = 13197131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13197599 and 13197608.

It is not a weakly prime, because it can be changed into another prime (13197649) 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, 6598821 + 6598822.

It is an arithmetic number, because the mean of its divisors is an integer number (6598822).

Almost surely, 2^13197643 is an apocalyptic number.

13197643 is a deficient number, since it is larger than the sum of its proper divisors (1).

13197643 is an equidigital number, since it uses as much as digits as its factorization.

13197643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 34.

The square root of 13197643 is about 3632.8560389864. The cubic root of 13197643 is about 236.3190826593.

The spelling of 13197643 in words is "thirteen million, one hundred ninety-seven thousand, six hundred forty-three".