12746444 has 6 divisors (see below), whose sum is σ = 22306284. Its totient is φ = 6373220.

The previous prime is 12746407. The next prime is 12746453. The reversal of 12746444 is 44464721.

It is a self number, because there is not a number n which added to its sum of digits gives 12746444.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1593302 + ... + 1593309.

It is an arithmetic number, because the mean of its divisors is an integer number (3717714).

Almost surely, 2^12746444 is an apocalyptic number.

It is an amenable number.

12746444 is a deficient number, since it is larger than the sum of its proper divisors (9559840).

12746444 is a wasteful number, since it uses less digits than its factorization.

12746444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3186615 (or 3186613 counting only the distinct ones).

The product of its digits is 21504, while the sum is 32.

The square root of 12746444 is about 3570.2162399496. The cubic root of 12746444 is about 233.5947157043.

The spelling of 12746444 in words is "twelve million, seven hundred forty-six thousand, four hundred forty-four".