12816036 has 48 divisors (see below), whose sum is σ = 33868800. Its totient is φ = 4189536.

The previous prime is 12816029. The next prime is 12816043. The reversal of 12816036 is 63061821.

It is an interprime number because it is at equal distance from previous prime (12816029) and next prime (12816043).

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 4605 + ... + 6843.

It is an arithmetic number, because the mean of its divisors is an integer number (705600).

Almost surely, 2^12816036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12816036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16934400).

12816036 is an abundant number, since it is smaller than the sum of its proper divisors (21052764).

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

12816036 is a wasteful number, since it uses less digits than its factorization.

12816036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305 (or 2297 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 12816036 is about 3579.9491616502. The cubic root of 12816036 is about 234.0190648504.

Adding to 12816036 its reverse (63061821), we get a palindrome (75877857).

The spelling of 12816036 in words is "twelve million, eight hundred sixteen thousand, thirty-six".