12445142 has 16 divisors (see below), whose sum is σ = 19206720. Its totient is φ = 6045312.

The previous prime is 12445129. The next prime is 12445151. The reversal of 12445142 is 24154421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11459 + ... + 12497.

It is an arithmetic number, because the mean of its divisors is an integer number (1200420).

Almost surely, 2^12445142 is an apocalyptic number.

12445142 is a deficient number, since it is larger than the sum of its proper divisors (6761578).

12445142 is a wasteful number, since it uses less digits than its factorization.

12445142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207.

The product of its digits is 1280, while the sum is 23.

The square root of 12445142 is about 3527.7672825741. The cubic root of 12445142 is about 231.7394394384.

Adding to 12445142 its reverse (24154421), we get a palindrome (36599563).

The spelling of 12445142 in words is "twelve million, four hundred forty-five thousand, one hundred forty-two".