13272216 has 32 divisors (see below), whose sum is σ = 34252800. Its totient is φ = 4281120.

The previous prime is 13272157. The next prime is 13272229. The reversal of 13272216 is 61227231.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 8176 + ... + 9663.

It is an arithmetic number, because the mean of its divisors is an integer number (1070400).

Almost surely, 2^13272216 is an apocalyptic number.

It is an amenable number.

13272216 is an abundant number, since it is smaller than the sum of its proper divisors (20980584).

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

13272216 is a wasteful number, since it uses less digits than its factorization.

13272216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17879 (or 17875 counting only the distinct ones).

The product of its digits is 1008, while the sum is 24.

The square root of 13272216 is about 3643.1052688606. The cubic root of 13272216 is about 236.7633522389.

Adding to 13272216 its reverse (61227231), we get a palindrome (74499447).

The spelling of 13272216 in words is "thirteen million, two hundred seventy-two thousand, two hundred sixteen".