12885127 has 4 divisors (see below), whose sum is σ = 12894336. Its totient is φ = 12875920.

The previous prime is 12885121. The next prime is 12885149. The reversal of 12885127 is 72158821.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12885127 is a prime.

It is a super-2 number, since 2×12885127² = 332052995612258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12885092 and 12885101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12885121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2023 + ... + 5464.

It is an arithmetic number, because the mean of its divisors is an integer number (3223584).

Almost surely, 2^12885127 is an apocalyptic number.

12885127 is a deficient number, since it is larger than the sum of its proper divisors (9209).

12885127 is an equidigital number, since it uses as much as digits as its factorization.

12885127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9208.

The product of its digits is 8960, while the sum is 34.

The square root of 12885127 is about 3589.5859092659. The cubic root of 12885127 is about 234.4388421520.

The spelling of 12885127 in words is "twelve million, eight hundred eighty-five thousand, one hundred twenty-seven".