12645344 has 24 divisors (see below), whose sum is σ = 25069968. Its totient is φ = 6278400.

The previous prime is 12645341. The next prime is 12645359. The reversal of 12645344 is 44354621.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12645341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3524 + ... + 6140.

It is an arithmetic number, because the mean of its divisors is an integer number (1044582).

Almost surely, 2^12645344 is an apocalyptic number.

It is an amenable number.

12645344 is a deficient number, since it is larger than the sum of its proper divisors (12424624).

12645344 is a wasteful number, since it uses less digits than its factorization.

12645344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778 (or 2770 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 12645344 is about 3556.0292462239. The cubic root of 12645344 is about 232.9754804827.

Adding to 12645344 its reverse (44354621), we get a palindrome (56999965).

The spelling of 12645344 in words is "twelve million, six hundred forty-five thousand, three hundred forty-four".