12693944 has 16 divisors (see below), whose sum is σ = 24355320. Its totient is φ = 6199200.

The previous prime is 12693943. The next prime is 12693959. The reversal of 12693944 is 44939621.

It is a super-2 number, since 2×12693944² = 322272428550272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12693898 and 12693907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12693943) 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, 18107 + ... + 18794.

Almost surely, 2^12693944 is an apocalyptic number.

It is an amenable number.

12693944 is a deficient number, since it is larger than the sum of its proper divisors (11661376).

12693944 is a wasteful number, since it uses less digits than its factorization.

12693944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36950 (or 36946 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 12693944 is about 3562.8561576353. The cubic root of 12693944 is about 233.2735647369.

The spelling of 12693944 in words is "twelve million, six hundred ninety-three thousand, nine hundred forty-four".