14480821 has 4 divisors (see below), whose sum is σ = 15332652. Its totient is φ = 13628992.

The previous prime is 14480803. The next prime is 14480833. The reversal of 14480821 is 12808441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12808441 = 41 ⋅312401.

It can be written as a sum of positive squares in 2 ways, for example, as 4901796 + 9579025 = 2214^2 + 3095^2 .

It is a cyclic number.

It is not a de Polignac number, because 14480821 - 2⁵ = 14480789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14480821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14480891) 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, 425890 + ... + 425923.

It is an arithmetic number, because the mean of its divisors is an integer number (3833163).

Almost surely, 2^14480821 is an apocalyptic number.

It is an amenable number.

14480821 is a deficient number, since it is larger than the sum of its proper divisors (851831).

14480821 is an equidigital number, since it uses as much as digits as its factorization.

14480821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851830.

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 14480821 is about 3805.3673935640. The cubic root of 14480821 is about 243.7423880156.

The spelling of 14480821 in words is "fourteen million, four hundred eighty thousand, eight hundred twenty-one".