14808721 has 8 divisors (see below), whose sum is σ = 15069888. Its totient is φ = 14550000.

The previous prime is 14808701. The next prime is 14808767. The reversal of 14808721 is 12780841.

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 14808721 - 2⁷ = 14808593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14808701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14766 + ... + 15736.

It is an arithmetic number, because the mean of its divisors is an integer number (1883736).

Almost surely, 2^14808721 is an apocalyptic number.

It is an amenable number.

14808721 is a deficient number, since it is larger than the sum of its proper divisors (261167).

14808721 is a wasteful number, since it uses less digits than its factorization.

14808721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 14808721 is about 3848.2101034117. The cubic root of 14808721 is about 245.5684205825.

It can be divided in two parts, 1480 and 8721, that added together give a palindrome (10201).

The spelling of 14808721 in words is "fourteen million, eight hundred eight thousand, seven hundred twenty-one".