14820780 has 48 divisors (see below), whose sum is σ = 44692704. Its totient is φ = 3648000.

The previous prime is 14820709. The next prime is 14820781. The reversal of 14820780 is 8702841.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (14820781) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8721 + ... + 10280.

It is an arithmetic number, because the mean of its divisors is an integer number (931098).

Almost surely, 2^14820780 is an apocalyptic number.

14820780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14820780 is an abundant number, since it is smaller than the sum of its proper divisors (29871924).

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

14820780 is a wasteful number, since it uses less digits than its factorization.

14820780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19026 (or 19024 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 14820780 is about 3849.7766168961. The cubic root of 14820780 is about 245.6350593812.

The spelling of 14820780 in words is "fourteen million, eight hundred twenty thousand, seven hundred eighty".