13716220 has 24 divisors (see below), whose sum is σ = 32919264. Its totient is φ = 4702656.

The previous prime is 13716203. The next prime is 13716247. The reversal of 13716220 is 2261731.

It is a junction number, because it is equal to n+sod(n) for n = 13716191 and 13716200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48847 + ... + 49126.

It is an arithmetic number, because the mean of its divisors is an integer number (1371636).

Almost surely, 2^13716220 is an apocalyptic number.

13716220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13716220 is an abundant number, since it is smaller than the sum of its proper divisors (19203044).

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

13716220 is a wasteful number, since it uses less digits than its factorization.

13716220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97989 (or 97987 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 13716220 is about 3703.5415483021. The cubic root of 13716220 is about 239.3746451103.

Adding to 13716220 its reverse (2261731), we get a palindrome (15977951).

The spelling of 13716220 in words is "thirteen million, seven hundred sixteen thousand, two hundred twenty".