12027487 has 4 divisors (see below), whose sum is σ = 12307240. Its totient is φ = 11747736.

The previous prime is 12027481. The next prime is 12027493. The reversal of 12027487 is 78472021.

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

It is an interprime number because it is at equal distance from previous prime (12027481) and next prime (12027493).

It is a cyclic number.

It is not a de Polignac number, because 12027487 - 2⁷ = 12027359 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 (12027481) 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, 139812 + ... + 139897.

It is an arithmetic number, because the mean of its divisors is an integer number (3076810).

Almost surely, 2^12027487 is an apocalyptic number.

12027487 is a deficient number, since it is larger than the sum of its proper divisors (279753).

12027487 is an equidigital number, since it uses as much as digits as its factorization.

12027487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279752.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 12027487 is about 3468.0667525294. The cubic root of 12027487 is about 229.1175194367.

The spelling of 12027487 in words is "twelve million, twenty-seven thousand, four hundred eighty-seven".