12299712 has 84 divisors (see below), whose sum is σ = 34396680. Its totient is φ = 3874304.

The previous prime is 12299701. The next prime is 12299719. The reversal of 12299712 is 21799221.

Its product of digits (4536) is a multiple of the sum of its prime divisors (81).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12299719) by changing a digit.

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, 261673 + ... + 261719.

Almost surely, 2^12299712 is an apocalyptic number.

12299712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12299712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17198340).

12299712 is an abundant number, since it is smaller than the sum of its proper divisors (22096968).

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

12299712 is an equidigital number, since it uses as much as digits as its factorization.

12299712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 81 counting only the distinct ones).

The product of its digits is 4536, while the sum is 33.

The square root of 12299712 is about 3507.0945239614. The cubic root of 12299712 is about 230.8332223221.

The spelling of 12299712 in words is "twelve million, two hundred ninety-nine thousand, seven hundred twelve".