12889750 has 32 divisors (see below), whose sum is σ = 24665472. Its totient is φ = 5041600.

The previous prime is 12889691. The next prime is 12889777. The reversal of 12889750 is 5798821.

12889750 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 2×12889750² = 332291310125000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11202 + ... + 12298.

It is an arithmetic number, because the mean of its divisors is an integer number (770796).

Almost surely, 2^12889750 is an apocalyptic number.

12889750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12889750 is a deficient number, since it is larger than the sum of its proper divisors (11775722).

12889750 is a wasteful number, since it uses less digits than its factorization.

12889750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161 (or 1151 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 12889750 is about 3590.2297976592. The cubic root of 12889750 is about 234.4668765717.

The spelling of 12889750 in words is "twelve million, eight hundred eighty-nine thousand, seven hundred fifty".