12084861 has 4 divisors (see below), whose sum is σ = 16113152. Its totient is φ = 8056572.

The previous prime is 12084859. The next prime is 12084869. The reversal of 12084861 is 16848021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12084861 - 2¹ = 12084859 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12084869) 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, 2014141 + ... + 2014146.

It is an arithmetic number, because the mean of its divisors is an integer number (4028288).

Almost surely, 2^12084861 is an apocalyptic number.

It is an amenable number.

12084861 is a deficient number, since it is larger than the sum of its proper divisors (4028291).

12084861 is an equidigital number, since it uses as much as digits as its factorization.

12084861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4028290.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 12084861 is about 3476.3286668553. The cubic root of 12084861 is about 229.4812568647.

The spelling of 12084861 in words is "twelve million, eighty-four thousand, eight hundred sixty-one".