12738268 has 12 divisors (see below), whose sum is σ = 22319752. Its totient is φ = 6361200.

The previous prime is 12738247. The next prime is 12738283. The reversal of 12738268 is 86283721.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 3043 + ... + 5893.

Almost surely, 2^12738268 is an apocalyptic number.

It is an amenable number.

12738268 is a deficient number, since it is larger than the sum of its proper divisors (9581484).

12738268 is a wasteful number, since it uses less digits than its factorization.

12738268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3972 (or 3970 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 12738268 is about 3569.0710275925. The cubic root of 12738268 is about 233.5447598396.

The spelling of 12738268 in words is "twelve million, seven hundred thirty-eight thousand, two hundred sixty-eight".