13116236 has 36 divisors (see below), whose sum is σ = 27217008. Its totient is φ = 5417664.

The previous prime is 13116217. The next prime is 13116239. The reversal of 13116236 is 63261131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13116239) 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, 23270 + ... + 23826.

It is an arithmetic number, because the mean of its divisors is an integer number (756028).

Almost surely, 2^13116236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13116236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13608504).

13116236 is an abundant number, since it is smaller than the sum of its proper divisors (14100772).

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

13116236 is a wasteful number, since it uses less digits than its factorization.

13116236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 595 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

The square root of 13116236 is about 3621.6344376538. The cubic root of 13116236 is about 235.8321846334.

Adding to 13116236 its reverse (63261131), we get a palindrome (76377367).

The spelling of 13116236 in words is "thirteen million, one hundred sixteen thousand, two hundred thirty-six".