12748250 has 16 divisors (see below), whose sum is σ = 23865192. Its totient is φ = 5099200.

The previous prime is 12748247. The next prime is 12748277. The reversal of 12748250 is 5284721.

It can be written as a sum of positive squares in 4 ways, for example, as 644809 + 12103441 = 803^2 + 3479^2 .

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, 25247 + ... + 25746.

Almost surely, 2^12748250 is an apocalyptic number.

12748250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12748250 is a deficient number, since it is larger than the sum of its proper divisors (11116942).

12748250 is an equidigital number, since it uses as much as digits as its factorization.

12748250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51010 (or 51000 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 12748250 is about 3570.4691568476. The cubic root of 12748250 is about 233.6057475950.

The spelling of 12748250 in words is "twelve million, seven hundred forty-eight thousand, two hundred fifty".