12013750 has 40 divisors (see below), whose sum is σ = 25754256. Its totient is φ = 4116000.

The previous prime is 12013733. The next prime is 12013753. The reversal of 12013750 is 5731021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013753) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 8064 + ... + 9436.

Almost surely, 2^12013750 is an apocalyptic number.

12013750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12013750 is an abundant number, since it is smaller than the sum of its proper divisors (13740506).

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

12013750 is an equidigital number, since it uses as much as digits as its factorization.

12013750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402 (or 1387 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 12013750 is about 3466.0856884965. The cubic root of 12013750 is about 229.0302585825.

Adding to 12013750 its reverse (5731021), we get a palindrome (17744771).

The spelling of 12013750 in words is "twelve million, thirteen thousand, seven hundred fifty".