12258750 has 80 divisors (see below), whose sum is σ = 35088768. Its totient is φ = 2796000.

The previous prime is 12258749. The next prime is 12258761. The reversal of 12258750 is 5785221.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 26017 + ... + 26483.

Almost surely, 2^12258750 is an apocalyptic number.

12258750 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 12258750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17544384).

12258750 is an abundant number, since it is smaller than the sum of its proper divisors (22830018).

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

12258750 is an equidigital number, since it uses as much as digits as its factorization.

12258750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 12258750 is about 3501.2497768654. The cubic root of 12258750 is about 230.5766876863.

The spelling of 12258750 in words is "twelve million, two hundred fifty-eight thousand, seven hundred fifty".