14123220 has 48 divisors (see below), whose sum is σ = 39711168. Its totient is φ = 3750400.

The previous prime is 14123191. The next prime is 14123231. The reversal of 14123220 is 2232141.

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 14123220.

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 15 ways as a sum of consecutive naturals, for example, 23767 + ... + 24353.

It is an arithmetic number, because the mean of its divisors is an integer number (827316).

Almost surely, 2^14123220 is an apocalyptic number.

14123220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14123220 is an abundant number, since it is smaller than the sum of its proper divisors (25587948).

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

14123220 is a wasteful number, since it uses less digits than its factorization.

14123220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000 (or 998 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 14123220 is about 3758.0872794548. The cubic root of 14123220 is about 241.7192518678.

Adding to 14123220 its reverse (2232141), we get a palindrome (16355361).

The spelling of 14123220 in words is "fourteen million, one hundred twenty-three thousand, two hundred twenty".