12023785 has 4 divisors (see below), whose sum is σ = 14428548. Its totient is φ = 9619024.

The previous prime is 12023773. The next prime is 12023797. The reversal of 12023785 is 58732021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58732021 = 19 ⋅3091159.

It is an interprime number because it is at equal distance from previous prime (12023773) and next prime (12023797).

It can be written as a sum of positive squares in 2 ways, for example, as 8826841 + 3196944 = 2971^2 + 1788^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12023785 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1202374 + ... + 1202383.

It is an arithmetic number, because the mean of its divisors is an integer number (3607137).

Almost surely, 2^12023785 is an apocalyptic number.

It is an amenable number.

12023785 is a deficient number, since it is larger than the sum of its proper divisors (2404763).

12023785 is an equidigital number, since it uses as much as digits as its factorization.

12023785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404762.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 12023785 is about 3467.5329847025. The cubic root of 12023785 is about 229.0940099512.

The spelling of 12023785 in words is "twelve million, twenty-three thousand, seven hundred eighty-five".