13968663 has 8 divisors (see below), whose sum is σ = 18940800. Its totient is φ = 9154488.

The previous prime is 13968653. The next prime is 13968671. The reversal of 13968663 is 36686931.

13968663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13968663 - 2⁶ = 13968599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13968653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39283 + ... + 39636.

It is an arithmetic number, because the mean of its divisors is an integer number (2367600).

Almost surely, 2^13968663 is an apocalyptic number.

13968663 is a deficient number, since it is larger than the sum of its proper divisors (4972137).

13968663 is an equidigital number, since it uses as much as digits as its factorization.

13968663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78981.

The product of its digits is 139968, while the sum is 42.

The square root of 13968663 is about 3737.4674580523. The cubic root of 13968663 is about 240.8342667743.

The spelling of 13968663 in words is "thirteen million, nine hundred sixty-eight thousand, six hundred sixty-three".