12888750 has 80 divisors (see below), whose sum is σ = 36888192. Its totient is φ = 2940000.

The previous prime is 12888749. The next prime is 12888767. The reversal of 12888750 is 5788821.

12888750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12888750² = 332239753125000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12888699 and 12888708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 26005 + ... + 26495.

Almost surely, 2^12888750 is an apocalyptic number.

12888750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12888750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18444096).

12888750 is an abundant number, since it is smaller than the sum of its proper divisors (23999442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12888750 is an equidigital number, since it uses as much as digits as its factorization.

12888750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 39.

The square root of 12888750 is about 3590.0905281065. The cubic root of 12888750 is about 234.4608130214.

The spelling of 12888750 in words is "twelve million, eight hundred eighty-eight thousand, seven hundred fifty".