13217683 has 2 divisors, whose sum is σ = 13217684. Its totient is φ = 13217682.

The previous prime is 13217671. The next prime is 13217717. The reversal of 13217683 is 38671231.

It is a weak prime.

It is an emirp because it is prime and its reverse (38671231) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13217683 is a prime.

It is not a weakly prime, because it can be changed into another prime (13217783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6608841 + 6608842.

It is an arithmetic number, because the mean of its divisors is an integer number (6608842).

Almost surely, 2^13217683 is an apocalyptic number.

13217683 is a deficient number, since it is larger than the sum of its proper divisors (1).

13217683 is an equidigital number, since it uses as much as digits as its factorization.

13217683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 31.

The square root of 13217683 is about 3635.6131532384. The cubic root of 13217683 is about 236.4386353044.

The spelling of 13217683 in words is "thirteen million, two hundred seventeen thousand, six hundred eighty-three".