13209983 has 2 divisors, whose sum is σ = 13209984. Its totient is φ = 13209982.

The previous prime is 13209979. The next prime is 13209991. The reversal of 13209983 is 38990231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13209983 - 2² = 13209979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13209953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6604991 + 6604992.

It is an arithmetic number, because the mean of its divisors is an integer number (6604992).

Almost surely, 2^13209983 is an apocalyptic number.

13209983 is a deficient number, since it is larger than the sum of its proper divisors (1).

13209983 is an equidigital number, since it uses as much as digits as its factorization.

13209983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 13209983 is about 3634.5540304142. The cubic root of 13209983 is about 236.3927137125.

The spelling of 13209983 in words is "thirteen million, two hundred nine thousand, nine hundred eighty-three".