12342320 has 20 divisors (see below), whose sum is σ = 28696080. Its totient is φ = 4936896.

The previous prime is 12342307. The next prime is 12342331. The reversal of 12342320 is 2324321.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77060 + ... + 77219.

It is an arithmetic number, because the mean of its divisors is an integer number (1434804).

Almost surely, 2^12342320 is an apocalyptic number.

12342320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12342320 is an abundant number, since it is smaller than the sum of its proper divisors (16353760).

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

12342320 is a wasteful number, since it uses less digits than its factorization.

12342320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154292 (or 154286 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 12342320 is about 3513.1638162773. The cubic root of 12342320 is about 231.0994618005.

Adding to 12342320 its reverse (2324321), we get a palindrome (14666641).

The spelling of 12342320 in words is "twelve million, three hundred forty-two thousand, three hundred twenty".