12316615 has 8 divisors (see below), whose sum is σ = 15422688. Its totient is φ = 9424800.

The previous prime is 12316609. The next prime is 12316627. The reversal of 12316615 is 51661321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12316615 - 2¹³ = 12308423 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 12316615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53436 + ... + 53665.

It is an arithmetic number, because the mean of its divisors is an integer number (1927836).

Almost surely, 2^12316615 is an apocalyptic number.

12316615 is a deficient number, since it is larger than the sum of its proper divisors (3106073).

12316615 is a wasteful number, since it uses less digits than its factorization.

12316615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107129.

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

The square root of 12316615 is about 3509.5035261416. The cubic root of 12316615 is about 230.9389155277.

Adding to 12316615 its reverse (51661321), we get a palindrome (63977936).

The spelling of 12316615 in words is "twelve million, three hundred sixteen thousand, six hundred fifteen".