12326636 has 36 divisors (see below), whose sum is σ = 25529616. Its totient is φ = 5191200.

The previous prime is 12326599. The next prime is 12326641. The reversal of 12326636 is 63662321.

It is a junction number, because it is equal to n+sod(n) for n = 12326599 and 12326608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11441 + ... + 12471.

It is an arithmetic number, because the mean of its divisors is an integer number (709156).

Almost surely, 2^12326636 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 12326636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12764808).

12326636 is an abundant number, since it is smaller than the sum of its proper divisors (13202980).

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

12326636 is a wasteful number, since it uses less digits than its factorization.

12326636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110 (or 1101 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

The square root of 12326636 is about 3510.9309306792. The cubic root of 12326636 is about 231.0015304459.

Adding to 12326636 its reverse (63662321), we get a palindrome (75988957).

The spelling of 12326636 in words is "twelve million, three hundred twenty-six thousand, six hundred thirty-six".