14215663 has 16 divisors (see below), whose sum is σ = 17807616. Its totient is φ = 11024640.

The previous prime is 14215661. The next prime is 14215681. The reversal of 14215663 is 36651241.

It is not a de Polignac number, because 14215663 - 2¹ = 14215661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14215661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26920 + ... + 27442.

It is an arithmetic number, because the mean of its divisors is an integer number (1112976).

Almost surely, 2^14215663 is an apocalyptic number.

14215663 is a deficient number, since it is larger than the sum of its proper divisors (3591953).

14215663 is a wasteful number, since it uses less digits than its factorization.

14215663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894.

The product of its digits is 4320, while the sum is 28.

The square root of 14215663 is about 3770.3664278157. The cubic root of 14215663 is about 242.2454934280.

It can be divided in two parts, 14215 and 663, that added together give a triangular number (14878 = T₁₇₂).

The spelling of 14215663 in words is "fourteen million, two hundred fifteen thousand, six hundred sixty-three".