12685250 has 16 divisors (see below), whose sum is σ = 23747256. Its totient is φ = 5074000.

The previous prime is 12685249. The next prime is 12685261. The reversal of 12685250 is 5258621.

It can be written as a sum of positive squares in 4 ways, for example, as 1907161 + 10778089 = 1381^2 + 3283^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25121 + ... + 25620.

Almost surely, 2^12685250 is an apocalyptic number.

12685250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12685250 is a deficient number, since it is larger than the sum of its proper divisors (11062006).

12685250 is an equidigital number, since it uses as much as digits as its factorization.

12685250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50758 (or 50748 counting only the distinct ones).

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

The square root of 12685250 is about 3561.6358601070. The cubic root of 12685250 is about 233.2202967230.

The spelling of 12685250 in words is "twelve million, six hundred eighty-five thousand, two hundred fifty".