13963668 has 24 divisors (see below), whose sum is σ = 33999168. Its totient is φ = 4452096.

The previous prime is 13963667. The next prime is 13963673. The reversal of 13963668 is 86636931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13963661) 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, 25021 + ... + 25572.

It is an arithmetic number, because the mean of its divisors is an integer number (1416632).

Almost surely, 2^13963668 is an apocalyptic number.

It is an amenable number.

13963668 is an abundant number, since it is smaller than the sum of its proper divisors (20035500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13963668 is a wasteful number, since it uses less digits than its factorization.

13963668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50623 (or 50621 counting only the distinct ones).

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

The square root of 13963668 is about 3736.7991650609. The cubic root of 13963668 is about 240.8055570216.

The spelling of 13963668 in words is "thirteen million, nine hundred sixty-three thousand, six hundred sixty-eight".