12250816 has 28 divisors (see below), whose sum is σ = 24681688. Its totient is φ = 6031872.

The previous prime is 12250769. The next prime is 12250831. The reversal of 12250816 is 61805221.

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 3 ways as a sum of consecutive naturals, for example, 2860 + ... + 5716.

Almost surely, 2^12250816 is an apocalyptic number.

12250816 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 12250816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12340844).

12250816 is an abundant number, since it is smaller than the sum of its proper divisors (12430872).

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

12250816 is an equidigital number, since it uses as much as digits as its factorization.

12250816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936 (or 2926 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 12250816 is about 3500.1165694874. The cubic root of 12250816 is about 230.5269330145.

The spelling of 12250816 in words is "twelve million, two hundred fifty thousand, eight hundred sixteen".