14721328 has 20 divisors (see below), whose sum is σ = 29507040. Its totient is φ = 7106624.

The previous prime is 14721323. The next prime is 14721347. The reversal of 14721328 is 82312741.

It is a junction number, because it is equal to n+sod(n) for n = 14721296 and 14721305.

It is not an unprimeable number, because it can be changed into a prime (14721323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15400 + ... + 16327.

It is an arithmetic number, because the mean of its divisors is an integer number (1475352).

Almost surely, 2^14721328 is an apocalyptic number.

It is an amenable number.

14721328 is an abundant number, since it is smaller than the sum of its proper divisors (14785712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14721328 is a wasteful number, since it uses less digits than its factorization.

14721328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31764 (or 31758 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 14721328 is about 3836.8382817106. The cubic root of 14721328 is about 245.0843968575.

The spelling of 14721328 in words is "fourteen million, seven hundred twenty-one thousand, three hundred twenty-eight".