13668583 has 2 divisors, whose sum is σ = 13668584. Its totient is φ = 13668582.

The previous prime is 13668569. The next prime is 13668631. The reversal of 13668583 is 38586631.

It is a weak prime.

It is an emirp because it is prime and its reverse (38586631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13668583 - 2⁹ = 13668071 is a prime.

It is a super-2 number, since 2×13668583² = 373660322455778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13668563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6834291 + 6834292.

It is an arithmetic number, because the mean of its divisors is an integer number (6834292).

Almost surely, 2^13668583 is an apocalyptic number.

13668583 is a deficient number, since it is larger than the sum of its proper divisors (1).

13668583 is an equidigital number, since it uses as much as digits as its factorization.

13668583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 40.

The square root of 13668583 is about 3697.1046779879. The cubic root of 13668583 is about 239.0972043229.

The spelling of 13668583 in words is "thirteen million, six hundred sixty-eight thousand, five hundred eighty-three".