12442067 has 18 divisors (see below), whose sum is σ = 14263452. Its totient is φ = 10843800.

The previous prime is 12442051. The next prime is 12442069. The reversal of 12442067 is 76024421.

It is not a de Polignac number, because 12442067 - 2⁴ = 12442051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12442069) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 116228 + ... + 116334.

It is an arithmetic number, because the mean of its divisors is an integer number (792414).

Almost surely, 2^12442067 is an apocalyptic number.

12442067 is a deficient number, since it is larger than the sum of its proper divisors (1821385).

12442067 is a wasteful number, since it uses less digits than its factorization.

12442067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 12442067 is about 3527.3314275809. The cubic root of 12442067 is about 231.7203514688.

Adding to 12442067 its reverse (76024421), we get a palindrome (88466488).

The spelling of 12442067 in words is "twelve million, four hundred forty-two thousand, sixty-seven".