12004487 has 8 divisors (see below), whose sum is σ = 13147392. Its totient is φ = 10870200.

The previous prime is 12004481. The next prime is 12004501. The reversal of 12004487 is 78440021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12004487 - 2¹⁶ = 11938951 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 (12004481) 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 7 ways as a sum of consecutive naturals, for example, 968 + ... + 4994.

It is an arithmetic number, because the mean of its divisors is an integer number (1643424).

Almost surely, 2^12004487 is an apocalyptic number.

12004487 is a deficient number, since it is larger than the sum of its proper divisors (1142905).

12004487 is a wasteful number, since it uses less digits than its factorization.

12004487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4309.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 12004487 is about 3464.7491972724. The cubic root of 12004487 is about 228.9713801371.

The spelling of 12004487 in words is "twelve million, four thousand, four hundred eighty-seven".