12823596 has 72 divisors (see below), whose sum is σ = 34245120. Its totient is φ = 4195152.

The previous prime is 12823541. The next prime is 12823607. The reversal of 12823596 is 69532821.

It is a super-2 number, since 2×12823596² = 328889228742432, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12823596.

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 23 ways as a sum of consecutive naturals, for example, 76705 + ... + 76871.

Almost surely, 2^12823596 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 12823596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17122560).

12823596 is an abundant number, since it is smaller than the sum of its proper divisors (21421524).

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

12823596 is a wasteful number, since it uses less digits than its factorization.

12823596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 251 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 12823596 is about 3581.0048868998. The cubic root of 12823596 is about 234.0650706609.

The spelling of 12823596 in words is "twelve million, eight hundred twenty-three thousand, five hundred ninety-six".