14780855 has 4 divisors (see below), whose sum is σ = 17737032. Its totient is φ = 11824680.

The previous prime is 14780839. The next prime is 14780867. The reversal of 14780855 is 55808741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55808741 = 23 ⋅2426467.

It is not a de Polignac number, because 14780855 - 2⁴ = 14780839 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1478081 + ... + 1478090.

It is an arithmetic number, because the mean of its divisors is an integer number (4434258).

Almost surely, 2^14780855 is an apocalyptic number.

14780855 is a deficient number, since it is larger than the sum of its proper divisors (2956177).

14780855 is an equidigital number, since it uses as much as digits as its factorization.

14780855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956176.

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 14780855 is about 3844.5877542332. The cubic root of 14780855 is about 245.4142927923.

The spelling of 14780855 in words is "fourteen million, seven hundred eighty thousand, eight hundred fifty-five".