12513250 has 16 divisors (see below), whose sum is σ = 23425272. Its totient is φ = 5005200.

The previous prime is 12513227. The next prime is 12513269. The reversal of 12513250 is 5231521.

It can be written as a sum of positive squares in 4 ways, for example, as 7491169 + 5022081 = 2737^2 + 2241^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24777 + ... + 25276.

Almost surely, 2^12513250 is an apocalyptic number.

12513250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12513250 is a deficient number, since it is larger than the sum of its proper divisors (10912022).

12513250 is an equidigital number, since it uses as much as digits as its factorization.

12513250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50070 (or 50060 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 12513250 is about 3537.4072426002. The cubic root of 12513250 is about 232.1614141266.

Adding to 12513250 its reverse (5231521), we get a palindrome (17744771).

The spelling of 12513250 in words is "twelve million, five hundred thirteen thousand, two hundred fifty".