12320768 has 38 divisors (see below), whose sum is σ = 25165776. Its totient is φ = 6029312.

The previous prime is 12320753. The next prime is 12320773. The reversal of 12320768 is 86702321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12320768.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262121 + ... + 262167.

Almost surely, 2^12320768 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 12320768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12582888).

12320768 is an abundant number, since it is smaller than the sum of its proper divisors (12845008).

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

12320768 is an frugal number, since it uses more digits than its factorization.

12320768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 12320768 is about 3510.0951554053. The cubic root of 12320768 is about 230.9648691289.

The spelling of 12320768 in words is "twelve million, three hundred twenty thousand, seven hundred sixty-eight".