13216156 has 12 divisors (see below), whose sum is σ = 23154768. Its totient is φ = 6600512.

The previous prime is 13216127. The next prime is 13216171. The reversal of 13216156 is 65161231.

13216156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13216156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4260 + ... + 6676.

It is an arithmetic number, because the mean of its divisors is an integer number (1929564).

Almost surely, 2^13216156 is an apocalyptic number.

It is an amenable number.

13216156 is a deficient number, since it is larger than the sum of its proper divisors (9938612).

13216156 is a wasteful number, since it uses less digits than its factorization.

13216156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788 (or 3786 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 13216156 is about 3635.4031413311. The cubic root of 13216156 is about 236.4295299340.

Adding to 13216156 its reverse (65161231), we get a palindrome (78377387).

The spelling of 13216156 in words is "thirteen million, two hundred sixteen thousand, one hundred fifty-six".