12815012 has 12 divisors (see below), whose sum is σ = 25630080. Its totient is φ = 5492136.

The previous prime is 12814993. The next prime is 12815017. The reversal of 12815012 is 21051821.

It is a happy number.

12815012 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12815017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228812 + ... + 228867.

It is an arithmetic number, because the mean of its divisors is an integer number (2135840).

Almost surely, 2^12815012 is an apocalyptic number.

It is an amenable number.

12815012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12815012 is a wasteful number, since it uses less digits than its factorization.

12815012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457690 (or 457688 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 12815012 is about 3579.8061400026. The cubic root of 12815012 is about 234.0128319844.

Adding to 12815012 its reverse (21051821), we get a palindrome (33866833).

The spelling of 12815012 in words is "twelve million, eight hundred fifteen thousand, twelve".