13564193 has 2 divisors, whose sum is σ = 13564194. Its totient is φ = 13564192.

The previous prime is 13564183. The next prime is 13564207. The reversal of 13564193 is 39146531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12730624 + 833569 = 3568^2 + 913^2 .

It is a cyclic number.

It is not a de Polignac number, because 13564193 - 2⁶ = 13564129 is a prime.

It is not a weakly prime, because it can be changed into another prime (13564123) 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, 6782096 + 6782097.

It is an arithmetic number, because the mean of its divisors is an integer number (6782097).

Almost surely, 2^13564193 is an apocalyptic number.

It is an amenable number.

13564193 is a deficient number, since it is larger than the sum of its proper divisors (1).

13564193 is an equidigital number, since it uses as much as digits as its factorization.

13564193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 32.

The square root of 13564193 is about 3682.9598151487. The cubic root of 13564193 is about 238.4869687146.

The spelling of 13564193 in words is "thirteen million, five hundred sixty-four thousand, one hundred ninety-three".