12815108 has 6 divisors (see below), whose sum is σ = 22426446. Its totient is φ = 6407552.

The previous prime is 12815107. The next prime is 12815111. The reversal of 12815108 is 80151821.

It can be written as a sum of positive squares in only one way, i.e., 7441984 + 5373124 = 2728^2 + 2318^2 .

It is not an unprimeable number, because it can be changed into a prime (12815107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1601885 + ... + 1601892.

It is an arithmetic number, because the mean of its divisors is an integer number (3737741).

Almost surely, 2^12815108 is an apocalyptic number.

It is an amenable number.

12815108 is a deficient number, since it is larger than the sum of its proper divisors (9611338).

12815108 is a wasteful number, since it uses less digits than its factorization.

12815108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203781 (or 3203779 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 12815108 is about 3579.8195485248. The cubic root of 12815108 is about 234.0134163297.

Adding to 12815108 its reverse (80151821), we get a palindrome (92966929).

The spelling of 12815108 in words is "twelve million, eight hundred fifteen thousand, one hundred eight".