12683444 has 6 divisors (see below), whose sum is σ = 22196034. Its totient is φ = 6341720.

The previous prime is 12683443. The next prime is 12683453. The reversal of 12683444 is 44438621.

It can be written as a sum of positive squares in only one way, i.e., 7896100 + 4787344 = 2810^2 + 2188^2 .

It is a super-2 number, since 2×12683444² = 321739503402272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12683444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12683443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1585427 + ... + 1585434.

It is an arithmetic number, because the mean of its divisors is an integer number (3699339).

Almost surely, 2^12683444 is an apocalyptic number.

It is an amenable number.

12683444 is a deficient number, since it is larger than the sum of its proper divisors (9512590).

12683444 is a wasteful number, since it uses less digits than its factorization.

12683444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170865 (or 3170863 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 12683444 is about 3561.3823158993. The cubic root of 12683444 is about 233.2092283340.

The spelling of 12683444 in words is "twelve million, six hundred eighty-three thousand, four hundred forty-four".