12204342 has 24 divisors (see below), whose sum is σ = 26510016. Its totient is φ = 4057776.

The previous prime is 12204341. The next prime is 12204377. The reversal of 12204342 is 24340221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12204341) 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 11 ways as a sum of consecutive naturals, for example, 10368 + ... + 11484.

It is an arithmetic number, because the mean of its divisors is an integer number (1104584).

Almost surely, 2^12204342 is an apocalyptic number.

12204342 is an abundant number, since it is smaller than the sum of its proper divisors (14305674).

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

12204342 is a wasteful number, since it uses less digits than its factorization.

12204342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732 (or 1729 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 12204342 is about 3493.4713395132. The cubic root of 12204342 is about 230.2350589958.

Adding to 12204342 its reverse (24340221), we get a palindrome (36544563).

The spelling of 12204342 in words is "twelve million, two hundred four thousand, three hundred forty-two".