12345042 has 32 divisors (see below), whose sum is σ = 25724160. Its totient is φ = 3946320.

The previous prime is 12345017. The next prime is 12345049. The reversal of 12345042 is 24054321.

It is not an unprimeable number, because it can be changed into a prime (12345049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14817 + ... + 15627.

It is an arithmetic number, because the mean of its divisors is an integer number (803880).

Almost surely, 2^12345042 is an apocalyptic number.

12345042 is an abundant number, since it is smaller than the sum of its proper divisors (13379118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12345042 is a wasteful number, since it uses less digits than its factorization.

12345042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 12345042 is about 3513.5511950162. The cubic root of 12345042 is about 231.1164495979.

Adding to 12345042 its reverse (24054321), we get a palindrome (36399363).

The spelling of 12345042 in words is "twelve million, three hundred forty-five thousand, forty-two".