14501220 has 24 divisors (see below), whose sum is σ = 40603584. Its totient is φ = 3866976.

The previous prime is 14501213. The next prime is 14501257. The reversal of 14501220 is 2210541.

14501220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 14501220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120784 + ... + 120903.

It is an arithmetic number, because the mean of its divisors is an integer number (1691816).

Almost surely, 2^14501220 is an apocalyptic number.

14501220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14501220 is an abundant number, since it is smaller than the sum of its proper divisors (26102364).

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

14501220 is a wasteful number, since it uses less digits than its factorization.

14501220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241699 (or 241697 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 14501220 is about 3808.0467434106. The cubic root of 14501220 is about 243.8567868719.

Adding to 14501220 its reverse (2210541), we get a palindrome (16711761).

The spelling of 14501220 in words is "fourteen million, five hundred one thousand, two hundred twenty".