12812750 has 32 divisors (see below), whose sum is σ = 24463296. Its totient is φ = 5023200.

The previous prime is 12812749. The next prime is 12812777. The reversal of 12812750 is 5721821.

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 15 ways as a sum of consecutive naturals, for example, 12767 + ... + 13733.

It is an arithmetic number, because the mean of its divisors is an integer number (764478).

Almost surely, 2^12812750 is an apocalyptic number.

12812750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12812750 is a deficient number, since it is larger than the sum of its proper divisors (11650546).

12812750 is an equidigital number, since it uses as much as digits as its factorization.

12812750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 12812750 is about 3579.4901871635. The cubic root of 12812750 is about 233.9990625039. Note that the first 3 decimals are identical.

The spelling of 12812750 in words is "twelve million, eight hundred twelve thousand, seven hundred fifty".