12631250 has 48 divisors (see below), whose sum is σ = 24748416. Its totient is φ = 4830000.

The previous prime is 12631237. The next prime is 12631261. The reversal of 12631250 is 5213621.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 268727 + ... + 268773.

It is an arithmetic number, because the mean of its divisors is an integer number (515592).

Almost surely, 2^12631250 is an apocalyptic number.

12631250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12631250 is a deficient number, since it is larger than the sum of its proper divisors (12117166).

12631250 is an frugal number, since it uses more digits than its factorization.

12631250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 12631250 is about 3554.0469889972. The cubic root of 12631250 is about 232.8888932222. Note that the first 4 decimals are identical.

Adding to 12631250 its reverse (5213621), we get a palindrome (17844871).

The spelling of 12631250 in words is "twelve million, six hundred thirty-one thousand, two hundred fifty".