12085427 has 4 divisors (see below), whose sum is σ = 12135816. Its totient is φ = 12035040.

The previous prime is 12085417. The next prime is 12085429. The reversal of 12085427 is 72458021.

12085427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12085427 - 2¹⁰ = 12084403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12085427.

It is not an unprimeable number, because it can be changed into a prime (12085429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24833 + ... + 25314.

It is an arithmetic number, because the mean of its divisors is an integer number (3033954).

Almost surely, 2^12085427 is an apocalyptic number.

12085427 is a deficient number, since it is larger than the sum of its proper divisors (50389).

12085427 is an equidigital number, since it uses as much as digits as its factorization.

12085427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50388.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 12085427 is about 3476.4100736248. The cubic root of 12085427 is about 229.4848394287.

The spelling of 12085427 in words is "twelve million, eighty-five thousand, four hundred twenty-seven".