12916836 has 27 divisors (see below), whose sum is σ = 32705491. Its totient is φ = 4298424.

The previous prime is 12916831. The next prime is 12916843. The reversal of 12916836 is 63861921.

The square root of 12916836 is 3594.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12916836.

It is not an unprimeable number, because it can be changed into a prime (12916831) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21265 + ... + 21863.

Almost surely, 2^12916836 is an apocalyptic number.

12916836 is the 3594-th square number.

It is an amenable number.

12916836 is an abundant number, since it is smaller than the sum of its proper divisors (19788655).

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

12916836 is an equidigital number, since it uses as much as digits as its factorization.

12916836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208 (or 604 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The cubic root of 12916836 is about 234.6309947428.

Multiplying 12916836 by its sum of digits (36), we get a square (465006096 = 21564²).

12916836 divided by its sum of digits (36) gives a square (358801 = 599²).

The spelling of 12916836 in words is "twelve million, nine hundred sixteen thousand, eight hundred thirty-six".