12811016 has 32 divisors (see below), whose sum is σ = 25596000. Its totient is φ = 5993856.

The previous prime is 12811009. The next prime is 12811049. The reversal of 12811016 is 61011821.

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 7 ways as a sum of consecutive naturals, for example, 13055 + ... + 14001.

It is an arithmetic number, because the mean of its divisors is an integer number (799875).

Almost surely, 2^12811016 is an apocalyptic number.

It is an amenable number.

12811016 is a deficient number, since it is larger than the sum of its proper divisors (12784984).

12811016 is a wasteful number, since it uses less digits than its factorization.

12811016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1057 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

The square root of 12811016 is about 3579.2479657045. The cubic root of 12811016 is about 233.9885060222.

Adding to 12811016 its reverse (61011821), we get a palindrome (73822837).

The spelling of 12811016 in words is "twelve million, eight hundred eleven thousand, sixteen".