13559983 has 2 divisors, whose sum is σ = 13559984. Its totient is φ = 13559982.

The previous prime is 13559963. The next prime is 13559993. The reversal of 13559983 is 38995531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13559983 - 2¹⁷ = 13428911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13559963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6779991 + 6779992.

It is an arithmetic number, because the mean of its divisors is an integer number (6779992).

Almost surely, 2^13559983 is an apocalyptic number.

13559983 is a deficient number, since it is larger than the sum of its proper divisors (1).

13559983 is an equidigital number, since it uses as much as digits as its factorization.

13559983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 43.

The square root of 13559983 is about 3682.3882196205. The cubic root of 13559983 is about 238.4622926175.

The spelling of 13559983 in words is "thirteen million, five hundred fifty-nine thousand, nine hundred eighty-three".