12316616 has 16 divisors (see below), whose sum is σ = 24870300. Its totient is φ = 5684544.

The previous prime is 12316609. The next prime is 12316627. The reversal of 12316616 is 61661321.

It can be written as a sum of positive squares in 2 ways, for example, as 11222500 + 1094116 = 3350^2 + 1046^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a plaindrome in base 15.

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, 59111 + ... + 59318.

Almost surely, 2^12316616 is an apocalyptic number.

It is an amenable number.

12316616 is an abundant number, since it is smaller than the sum of its proper divisors (12553684).

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

12316616 is a wasteful number, since it uses less digits than its factorization.

12316616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118448 (or 118444 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 12316616 is about 3509.5036686118. The cubic root of 12316616 is about 230.9389217778.

Adding to 12316616 its reverse (61661321), we get a palindrome (73977937).

The spelling of 12316616 in words is "twelve million, three hundred sixteen thousand, six hundred sixteen".