13983663 has 8 divisors (see below), whose sum is σ = 18907776. Its totient is φ = 9191000.

The previous prime is 13983647. The next prime is 13983667. The reversal of 13983663 is 36638931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13983663 - 2⁴ = 13983647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13983667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32613 + ... + 33038.

It is an arithmetic number, because the mean of its divisors is an integer number (2363472).

Almost surely, 2^13983663 is an apocalyptic number.

13983663 is a deficient number, since it is larger than the sum of its proper divisors (4924113).

13983663 is an equidigital number, since it uses as much as digits as its factorization.

13983663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65725.

The product of its digits is 69984, while the sum is 39.

The square root of 13983663 is about 3739.4736260602. The cubic root of 13983663 is about 240.9204411322.

It can be divided in two parts, 13983 and 663, that multiplied together give a palindrome (9270729).

The spelling of 13983663 in words is "thirteen million, nine hundred eighty-three thousand, six hundred sixty-three".