12750250 has 16 divisors (see below), whose sum is σ = 23868936. Its totient is φ = 5100000.

The previous prime is 12750247. The next prime is 12750271. The reversal of 12750250 is 5205721.

It can be written as a sum of positive squares in 4 ways, for example, as 5764801 + 6985449 = 2401^2 + 2643^2 .

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, 25251 + ... + 25750.

Almost surely, 2^12750250 is an apocalyptic number.

12750250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12750250 is a deficient number, since it is larger than the sum of its proper divisors (11118686).

12750250 is an equidigital number, since it uses as much as digits as its factorization.

12750250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51018 (or 51008 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 12750250 is about 3570.7492211019. The cubic root of 12750250 is about 233.6179633126.

Adding to 12750250 its reverse (5205721), we get a palindrome (17955971).

The spelling of 12750250 in words is "twelve million, seven hundred fifty thousand, two hundred fifty".