12856250 has 72 divisors (see below), whose sum is σ = 28052892. Its totient is φ = 4400000.

The previous prime is 12856237. The next prime is 12856253. The reversal of 12856250 is 5265821.

12856250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 543169 + 12313081 = 737^2 + 3509^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12856253) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 756242 + ... + 756258.

Almost surely, 2^12856250 is an apocalyptic number.

12856250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12856250 is an abundant number, since it is smaller than the sum of its proper divisors (15196642).

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

12856250 is an equidigital number, since it uses as much as digits as its factorization.

12856250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 35 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 12856250 is about 3585.5613228615. The cubic root of 12856250 is about 234.2635766667.

The spelling of 12856250 in words is "twelve million, eight hundred fifty-six thousand, two hundred fifty".