12719444 has 12 divisors (see below), whose sum is σ = 22347444. Its totient is φ = 6334464.

The previous prime is 12719419. The next prime is 12719459. The reversal of 12719444 is 44491721.

It can be written as a sum of positive squares in 2 ways, for example, as 10316944 + 2402500 = 3212^2 + 1550^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12719444.

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, 5159 + ... + 7214.

It is an arithmetic number, because the mean of its divisors is an integer number (1862287).

Almost surely, 2^12719444 is an apocalyptic number.

It is an amenable number.

12719444 is a deficient number, since it is larger than the sum of its proper divisors (9628000).

12719444 is a wasteful number, since it uses less digits than its factorization.

12719444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12634 (or 12632 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 12719444 is about 3566.4329518442. The cubic root of 12719444 is about 233.4296627202.

The spelling of 12719444 in words is "twelve million, seven hundred nineteen thousand, four hundred forty-four".