14013220 has 24 divisors (see below), whose sum is σ = 31692024. Its totient is φ = 5174016.

The previous prime is 14013217. The next prime is 14013229. The reversal of 14013220 is 2231041.

14013220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 879844 + 13133376 = 938^2 + 3624^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 14013220.

It is not an unprimeable number, because it can be changed into a prime (14013229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26689 + ... + 27208.

It is an arithmetic number, because the mean of its divisors is an integer number (1320501).

Almost surely, 2^14013220 is an apocalyptic number.

14013220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14013220 is an abundant number, since it is smaller than the sum of its proper divisors (17678804).

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

14013220 is a wasteful number, since it uses less digits than its factorization.

14013220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53919 (or 53917 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 14013220 is about 3743.4235667367. The cubic root of 14013220 is about 241.0900646485.

Adding to 14013220 its reverse (2231041), we get a palindrome (16244261).

The spelling of 14013220 in words is "fourteen million, thirteen thousand, two hundred twenty".