14086721 has 8 divisors (see below), whose sum is σ = 15897600. Its totient is φ = 12364240.

The previous prime is 14086697. The next prime is 14086747. The reversal of 14086721 is 12768041.

14086721 is digitally balanced in base 2 and base 3, because in such bases 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 a cyclic number.

It is not a de Polignac number, because 14086721 - 2²² = 9892417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14086021) 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, 21761 + ... + 22398.

It is an arithmetic number, because the mean of its divisors is an integer number (1987200).

Almost surely, 2^14086721 is an apocalyptic number.

14086721 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14086721 is a deficient number, since it is larger than the sum of its proper divisors (1810879).

14086721 is a wasteful number, since it uses less digits than its factorization.

14086721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44199.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 14086721 is about 3753.2280772690. The cubic root of 14086721 is about 241.5108451451.

The spelling of 14086721 in words is "fourteen million, eighty-six thousand, seven hundred twenty-one".