12116516 has 12 divisors (see below), whose sum is σ = 21293580. Its totient is φ = 6032640.

The previous prime is 12116483. The next prime is 12116521. The reversal of 12116516 is 61561121.

It can be written as a sum of positive squares in 2 ways, for example, as 11022400 + 1094116 = 3320^2 + 1046^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12116491 and 12116500.

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, 5321 + ... + 7248.

It is an arithmetic number, because the mean of its divisors is an integer number (1774465).

Almost surely, 2^12116516 is an apocalyptic number.

It is an amenable number.

12116516 is a deficient number, since it is larger than the sum of its proper divisors (9177064).

12116516 is a wasteful number, since it uses less digits than its factorization.

12116516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12814 (or 12812 counting only the distinct ones).

The product of its digits is 360, while the sum is 23.

The square root of 12116516 is about 3480.8786247153. The cubic root of 12116516 is about 229.6814493694.

Adding to 12116516 its reverse (61561121), we get a palindrome (73677637).

The spelling of 12116516 in words is "twelve million, one hundred sixteen thousand, five hundred sixteen".