12003750 has 120 divisors (see below), whose sum is σ = 35819784. Its totient is φ = 2880000.

The previous prime is 12003743. The next prime is 12003821. The reversal of 12003750 is 5730021.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 59 ways as a sum of consecutive naturals, for example, 123702 + ... + 123798.

Almost surely, 2^12003750 is an apocalyptic number.

12003750 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 12003750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17909892).

12003750 is an abundant number, since it is smaller than the sum of its proper divisors (23816034).

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

12003750 is a wasteful number, since it uses less digits than its factorization.

12003750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 12003750 is about 3464.6428387353. The cubic root of 12003750 is about 228.9666942403.

Adding to 12003750 its reverse (5730021), we get a palindrome (17733771).

It can be divided in two parts, 1200 and 3750, that added together give a triangular number (4950 = T₉₉).

The spelling of 12003750 in words is "twelve million, three thousand, seven hundred fifty".