12084887 has 4 divisors (see below), whose sum is σ = 12202320. Its totient is φ = 11967456.

The previous prime is 12084869. The next prime is 12084889. The reversal of 12084887 is 78848021.

It is a happy number.

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 12084887 - 2¹⁸ = 11822743 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 12084887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12084889) 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 3 ways as a sum of consecutive naturals, for example, 58562 + ... + 58767.

It is an arithmetic number, because the mean of its divisors is an integer number (3050580).

Almost surely, 2^12084887 is an apocalyptic number.

12084887 is a deficient number, since it is larger than the sum of its proper divisors (117433).

12084887 is a wasteful number, since it uses less digits than its factorization.

12084887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117432.

The product of its (nonzero) digits is 28672, while the sum is 38.

The square root of 12084887 is about 3476.3324064307. The cubic root of 12084887 is about 229.4814214372.

The spelling of 12084887 in words is "twelve million, eighty-four thousand, eight hundred eighty-seven".