12885087 has 4 divisors (see below), whose sum is σ = 17180120. Its totient is φ = 8590056.

The previous prime is 12885071. The next prime is 12885107. The reversal of 12885087 is 78058821.

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

It is not a de Polignac number, because 12885087 - 2⁴ = 12885071 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 (12885007) 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, 2147512 + ... + 2147517.

It is an arithmetic number, because the mean of its divisors is an integer number (4295030).

Almost surely, 2^12885087 is an apocalyptic number.

12885087 is a deficient number, since it is larger than the sum of its proper divisors (4295033).

12885087 is an equidigital number, since it uses as much as digits as its factorization.

12885087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4295032.

The product of its (nonzero) digits is 35840, while the sum is 39.

The square root of 12885087 is about 3589.5803375882. The cubic root of 12885087 is about 234.4385995580.

The spelling of 12885087 in words is "twelve million, eight hundred eighty-five thousand, eighty-seven".