12320344 has 16 divisors (see below), whose sum is σ = 23166720. Its totient is φ = 6142560.

The previous prime is 12320339. The next prime is 12320351. The reversal of 12320344 is 44302321.

It is a congruent number.

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, 1054 + ... + 5074.

It is an arithmetic number, because the mean of its divisors is an integer number (1447920).

Almost surely, 2^12320344 is an apocalyptic number.

It is an amenable number.

12320344 is a deficient number, since it is larger than the sum of its proper divisors (10846376).

12320344 is a wasteful number, since it uses less digits than its factorization.

12320344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4410 (or 4406 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 12320344 is about 3510.0347576627. The cubic root of 12320344 is about 230.9622196667.

Adding to 12320344 its reverse (44302321), we get a palindrome (56622665).

It can be divided in two parts, 12 and 320344, that added together give a square (320356 = 566²).

The spelling of 12320344 in words is "twelve million, three hundred twenty thousand, three hundred forty-four".