14168721 has 8 divisors (see below), whose sum is σ = 21590464. Its totient is φ = 8096400.

The previous prime is 14168719. The next prime is 14168723. The reversal of 14168721 is 12786141.

It is an interprime number because it is at equal distance from previous prime (14168719) and next prime (14168723).

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

It is not a de Polignac number, because 14168721 - 2¹ = 14168719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14168723) 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, 337330 + ... + 337371.

It is an arithmetic number, because the mean of its divisors is an integer number (2698808).

Almost surely, 2^14168721 is an apocalyptic number.

It is an amenable number.

14168721 is a deficient number, since it is larger than the sum of its proper divisors (7421743).

14168721 is an equidigital number, since it uses as much as digits as its factorization.

14168721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674711.

The product of its digits is 2688, while the sum is 30.

The square root of 14168721 is about 3764.1361558796. The cubic root of 14168721 is about 241.9785571694.

The spelling of 14168721 in words is "fourteen million, one hundred sixty-eight thousand, seven hundred twenty-one".