12000775 has 12 divisors (see below), whose sum is σ = 15092784. Its totient is φ = 9464000.

The previous prime is 12000773. The next prime is 12000797. The reversal of 12000775 is 57700021.

It is not a de Polignac number, because 12000775 - 2¹ = 12000773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000773) 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 11 ways as a sum of consecutive naturals, for example, 1606 + ... + 5155.

It is an arithmetic number, because the mean of its divisors is an integer number (1257732).

Almost surely, 2^12000775 is an apocalyptic number.

12000775 is a deficient number, since it is larger than the sum of its proper divisors (3092009).

12000775 is an equidigital number, since it uses as much as digits as its factorization.

12000775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6842 (or 6837 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 22.

The square root of 12000775 is about 3464.2134749464. The cubic root of 12000775 is about 228.9477770353.

Adding to 12000775 its reverse (57700021), we get a palindrome (69700796).

The spelling of 12000775 in words is "twelve million, seven hundred seventy-five", and thus it is an aban number.