12885117 has 8 divisors (see below), whose sum is σ = 19634496. Its totient is φ = 7362912.

The previous prime is 12885109. The next prime is 12885121. The reversal of 12885117 is 71158821.

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

It is not a de Polignac number, because 12885117 - 2³ = 12885109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12885107) 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, 306768 + ... + 306809.

It is an arithmetic number, because the mean of its divisors is an integer number (2454312).

Almost surely, 2^12885117 is an apocalyptic number.

It is an amenable number.

12885117 is a deficient number, since it is larger than the sum of its proper divisors (6749379).

12885117 is an equidigital number, since it uses as much as digits as its factorization.

12885117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613587.

The product of its digits is 4480, while the sum is 33.

The square root of 12885117 is about 3589.5845163473. The cubic root of 12885117 is about 234.4387815035.

The spelling of 12885117 in words is "twelve million, eight hundred eighty-five thousand, one hundred seventeen".