13533983 has 2 divisors, whose sum is σ = 13533984. Its totient is φ = 13533982.

The previous prime is 13533973. The next prime is 13533991. The reversal of 13533983 is 38933531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13533983 - 2¹⁴ = 13517599 is a prime.

It is a super-3 number, since 3×13533983³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13533973) 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, 6766991 + 6766992.

It is an arithmetic number, because the mean of its divisors is an integer number (6766992).

Almost surely, 2^13533983 is an apocalyptic number.

13533983 is a deficient number, since it is larger than the sum of its proper divisors (1).

13533983 is an equidigital number, since it uses as much as digits as its factorization.

13533983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 35.

The square root of 13533983 is about 3678.8562081169. The cubic root of 13533983 is about 238.3097853838.

The spelling of 13533983 in words is "thirteen million, five hundred thirty-three thousand, nine hundred eighty-three".