12886250 has 60 divisors (see below), whose sum is σ = 26583678. Its totient is φ = 4680000.

The previous prime is 12886241. The next prime is 12886253. The reversal of 12886250 is 5268821.

It can be written as a sum of positive squares in 15 ways, for example, as 12369289 + 516961 = 3517^2 + 719^2 .

It is not an unprimeable number, because it can be changed into a prime (12886253) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 211220 + ... + 211280.

Almost surely, 2^12886250 is an apocalyptic number.

12886250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12886250 is an abundant number, since it is smaller than the sum of its proper divisors (13697428).

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

12886250 is an equidigital number, since it uses as much as digits as its factorization.

12886250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 12886250 is about 3589.7423305859. The cubic root of 12886250 is about 234.4456527735.

The spelling of 12886250 in words is "twelve million, eight hundred eighty-six thousand, two hundred fifty".