12715516 has 12 divisors (see below), whose sum is σ = 24275160. Its totient is φ = 5779760.

The previous prime is 12715501. The next prime is 12715523. The reversal of 12715516 is 61551721.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 144451 + ... + 144538.

It is an arithmetic number, because the mean of its divisors is an integer number (2022930).

Almost surely, 2^12715516 is an apocalyptic number.

It is an amenable number.

12715516 is a deficient number, since it is larger than the sum of its proper divisors (11559644).

12715516 is a wasteful number, since it uses less digits than its factorization.

12715516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289004 (or 289002 counting only the distinct ones).

The product of its digits is 2100, while the sum is 28.

The square root of 12715516 is about 3565.8822190308. The cubic root of 12715516 is about 233.4056311111.

It can be divided in two parts, 12715 and 516, that added together give a palindrome (13231).

The spelling of 12715516 in words is "twelve million, seven hundred fifteen thousand, five hundred sixteen".