12942885 has 16 divisors (see below), whose sum is σ = 20851200. Its totient is φ = 6855360.

The previous prime is 12942883. The next prime is 12942893. The reversal of 12942885 is 58824921.

It is not a de Polignac number, because 12942885 - 2¹ = 12942883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12942883) 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 15 ways as a sum of consecutive naturals, for example, 661 + ... + 5130.

It is an arithmetic number, because the mean of its divisors is an integer number (1303200).

Almost surely, 2^12942885 is an apocalyptic number.

12942885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12942885 is a deficient number, since it is larger than the sum of its proper divisors (7908315).

12942885 is a wasteful number, since it uses less digits than its factorization.

12942885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5948.

The product of its digits is 46080, while the sum is 39.

The square root of 12942885 is about 3597.6221313529. The cubic root of 12942885 is about 234.7886132910.

The spelling of 12942885 in words is "twelve million, nine hundred forty-two thousand, eight hundred eighty-five".