12968750 has 32 divisors (see below), whose sum is σ = 24609312. Its totient is φ = 5125000.

The previous prime is 12968749. The next prime is 12968777. The reversal of 12968750 is 5786921.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156209 + ... + 156291.

It is an arithmetic number, because the mean of its divisors is an integer number (769041).

Almost surely, 2^12968750 is an apocalyptic number.

12968750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12968750 is a deficient number, since it is larger than the sum of its proper divisors (11640562).

12968750 is an frugal number, since it uses more digits than its factorization.

12968750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 12968750 is about 3601.2150727220. The cubic root of 12968750 is about 234.9449093738.

The spelling of 12968750 in words is "twelve million, nine hundred sixty-eight thousand, seven hundred fifty".