12442885 has 64 divisors (see below), whose sum is σ = 20321280. Its totient is φ = 7096320.

The previous prime is 12442883. The next prime is 12442901. The reversal of 12442885 is 58824421.

It is not a de Polignac number, because 12442885 - 2¹ = 12442883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12442885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442883) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 303465 + ... + 303505.

It is an arithmetic number, because the mean of its divisors is an integer number (317520).

Almost surely, 2^12442885 is an apocalyptic number.

It is an amenable number.

12442885 is a deficient number, since it is larger than the sum of its proper divisors (7878395).

12442885 is a wasteful number, since it uses less digits than its factorization.

12442885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118.

The product of its digits is 20480, while the sum is 34.

The square root of 12442885 is about 3527.4473773538. The cubic root of 12442885 is about 231.7254294861.

The spelling of 12442885 in words is "twelve million, four hundred forty-two thousand, eight hundred eighty-five".