12694244 has 6 divisors (see below), whose sum is σ = 22214934. Its totient is φ = 6347120.

The previous prime is 12694217. The next prime is 12694247. The reversal of 12694244 is 44249621.

It can be written as a sum of positive squares in only one way, i.e., 12687844 + 6400 = 3562^2 + 80^2 .

It is a super-2 number, since 2×12694244² = 322287661463072, 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 12694244.

It is not an unprimeable number, because it can be changed into a prime (12694247) 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 as a sum of consecutive naturals, namely, 1586777 + ... + 1586784.

It is an arithmetic number, because the mean of its divisors is an integer number (3702489).

Almost surely, 2^12694244 is an apocalyptic number.

It is an amenable number.

12694244 is a deficient number, since it is larger than the sum of its proper divisors (9520690).

12694244 is a wasteful number, since it uses less digits than its factorization.

12694244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173565 (or 3173563 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 12694244 is about 3562.8982584407. The cubic root of 12694244 is about 233.2754023984.

The spelling of 12694244 in words is "twelve million, six hundred ninety-four thousand, two hundred forty-four".