14513220 has 36 divisors (see below), whose sum is σ = 44023980. Its totient is φ = 3870144.

The previous prime is 14513209. The next prime is 14513227. The reversal of 14513220 is 2231541.

14513220 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 2 ways, for example, as 6594624 + 7918596 = 2568^2 + 2814^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 14513193 and 14513202.

It is not an unprimeable number, because it can be changed into a prime (14513227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40135 + ... + 40494.

Almost surely, 2^14513220 is an apocalyptic number.

14513220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14513220 is an abundant number, since it is smaller than the sum of its proper divisors (29510760).

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

14513220 is a wasteful number, since it uses less digits than its factorization.

14513220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80644 (or 80639 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 14513220 is about 3809.6220284957. The cubic root of 14513220 is about 243.9240335043.

Adding to 14513220 its reverse (2231541), we get a palindrome (16744761).

The spelling of 14513220 in words is "fourteen million, five hundred thirteen thousand, two hundred twenty".