12555250 has 16 divisors (see below), whose sum is σ = 23503896. Its totient is φ = 5022000.

The previous prime is 12555241. The next prime is 12555281. The reversal of 12555250 is 5255521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1671849 + 10883401 = 1293^2 + 3299^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24861 + ... + 25360.

Almost surely, 2^12555250 is an apocalyptic number.

12555250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12555250 is a deficient number, since it is larger than the sum of its proper divisors (10948646).

12555250 is an equidigital number, since it uses as much as digits as its factorization.

12555250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50238 (or 50228 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 12555250 is about 3543.3388209428. The cubic root of 12555250 is about 232.4208695140.

The spelling of 12555250 in words is "twelve million, five hundred fifty-five thousand, two hundred fifty".