12516115 has 8 divisors (see below), whose sum is σ = 15080688. Its totient is φ = 9972000.

The previous prime is 12516073. The next prime is 12516121. The reversal of 12516115 is 51161521.

It is a happy number.

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

It is not a de Polignac number, because 12516115 - 2⁹ = 12515603 is a prime.

It is a Duffinian 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, 3732 + ... + 6241.

It is an arithmetic number, because the mean of its divisors is an integer number (1885086).

Almost surely, 2^12516115 is an apocalyptic number.

12516115 is a deficient number, since it is larger than the sum of its proper divisors (2564573).

12516115 is an equidigital number, since it uses as much as digits as its factorization.

12516115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10229.

The product of its digits is 300, while the sum is 22.

The square root of 12516115 is about 3537.8121770382. The cubic root of 12516115 is about 232.1791311251.

Adding to 12516115 its reverse (51161521), we get a palindrome (63677636).

The spelling of 12516115 in words is "twelve million, five hundred sixteen thousand, one hundred fifteen".