14820805 has 4 divisors (see below), whose sum is σ = 17784972. Its totient is φ = 11856640.

The previous prime is 14820791. The next prime is 14820811. The reversal of 14820805 is 50802841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50802841 = 4513 ⋅11257.

It can be written as a sum of positive squares in 2 ways, for example, as 2556801 + 12264004 = 1599^2 + 3502^2 .

It is not a de Polignac number, because 14820805 - 2⁹ = 14820293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1482076 + ... + 1482085.

It is an arithmetic number, because the mean of its divisors is an integer number (4446243).

Almost surely, 2^14820805 is an apocalyptic number.

It is an amenable number.

14820805 is a deficient number, since it is larger than the sum of its proper divisors (2964167).

14820805 is an equidigital number, since it uses as much as digits as its factorization.

14820805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964166.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 14820805 is about 3849.7798638364. The cubic root of 14820805 is about 245.6351974953.

It can be divided in two parts, 14820 and 805, that added together give a 6-th power (15625 = 5⁶).

The spelling of 14820805 in words is "fourteen million, eight hundred twenty thousand, eight hundred five".