12247296 has 72 divisors (see below), whose sum is σ = 33554304. Its totient is φ = 3962880.

The previous prime is 12247289. The next prime is 12247297. The reversal of 12247296 is 69274221.

It is not an unprimeable number, because it can be changed into a prime (12247297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28201 + ... + 28631.

It is an arithmetic number, because the mean of its divisors is an integer number (466032).

Almost surely, 2^12247296 is an apocalyptic number.

12247296 is a gapful number since it is divisible by the number (16) 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 12247296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16777152).

12247296 is an abundant number, since it is smaller than the sum of its proper divisors (21307008).

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

12247296 is an equidigital number, since it uses as much as digits as its factorization.

12247296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 473 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 12247296 is about 3499.6136929667. The cubic root of 12247296 is about 230.5048519674.

The spelling of 12247296 in words is "twelve million, two hundred forty-seven thousand, two hundred ninety-six".