13116215 has 16 divisors (see below), whose sum is σ = 18048000. Its totient is φ = 8964000.

The previous prime is 13116203. The next prime is 13116217. The reversal of 13116215 is 51261131.

It is not a de Polignac number, because 13116215 - 2⁴ = 13116199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13116217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17090 + ... + 17840.

It is an arithmetic number, because the mean of its divisors is an integer number (1128000).

Almost surely, 2^13116215 is an apocalyptic number.

13116215 is a deficient number, since it is larger than the sum of its proper divisors (4931785).

13116215 is an equidigital number, since it uses as much as digits as its factorization.

13116215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262.

The product of its digits is 180, while the sum is 20.

The square root of 13116215 is about 3621.6315384092. The cubic root of 13116215 is about 235.8320587722.

Adding to 13116215 its reverse (51261131), we get a palindrome (64377346).

It can be divided in two parts, 13116 and 215, that added together give a palindrome (13331).

The spelling of 13116215 in words is "thirteen million, one hundred sixteen thousand, two hundred fifteen".