14718921 has 16 divisors (see below), whose sum is σ = 23203200. Its totient is φ = 8120448.

The previous prime is 14718887. The next prime is 14718929. The reversal of 14718921 is 12981741.

14718921 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14718921 - 2⁷ = 14718793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14718929) 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, 11476 + ... + 12693.

It is an arithmetic number, because the mean of its divisors is an integer number (1450200).

Almost surely, 2^14718921 is an apocalyptic number.

It is an amenable number.

14718921 is a deficient number, since it is larger than the sum of its proper divisors (8484279).

14718921 is a wasteful number, since it uses less digits than its factorization.

14718921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24208.

The product of its digits is 4032, while the sum is 33.

The square root of 14718921 is about 3836.5245991652. The cubic root of 14718921 is about 245.0710386809.

The spelling of 14718921 in words is "fourteen million, seven hundred eighteen thousand, nine hundred twenty-one".