12885541 has 16 divisors (see below), whose sum is σ = 14385600. Its totient is φ = 11484928.

The previous prime is 12885539. The next prime is 12885557. The reversal of 12885541 is 14558821.

12885541 is nontrivially palindromic in base 15.

It is not a de Polignac number, because 12885541 - 2¹ = 12885539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12885497 and 12885506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12885511) 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 15 ways as a sum of consecutive naturals, for example, 28866 + ... + 29308.

It is an arithmetic number, because the mean of its divisors is an integer number (899100).

Almost surely, 2^12885541 is an apocalyptic number.

It is an amenable number.

12885541 is a deficient number, since it is larger than the sum of its proper divisors (1500059).

12885541 is a wasteful number, since it uses less digits than its factorization.

12885541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548.

The product of its digits is 12800, while the sum is 34.

The square root of 12885541 is about 3589.6435756214. The cubic root of 12885541 is about 234.4413529703.

The spelling of 12885541 in words is "twelve million, eight hundred eighty-five thousand, five hundred forty-one".