12885771 has 8 divisors (see below), whose sum is σ = 17358544. Its totient is φ = 8501760.

The previous prime is 12885751. The next prime is 12885791. The reversal of 12885771 is 17758821.

12885771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12885751) and next prime (12885791).

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

It is not a de Polignac number, because 12885771 - 2⁶ = 12885707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12885721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21850 + ... + 22431.

It is an arithmetic number, because the mean of its divisors is an integer number (2169818).

Almost surely, 2^12885771 is an apocalyptic number.

12885771 is a deficient number, since it is larger than the sum of its proper divisors (4472773).

12885771 is an equidigital number, since it uses as much as digits as its factorization.

12885771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44381.

The product of its digits is 31360, while the sum is 39.

The square root of 12885771 is about 3589.6756120853. The cubic root of 12885771 is about 234.4427478462.

The spelling of 12885771 in words is "twelve million, eight hundred eighty-five thousand, seven hundred seventy-one".