12738392 has 16 divisors (see below), whose sum is σ = 24154200. Its totient is φ = 6297280.

The previous prime is 12738373. The next prime is 12738419. The reversal of 12738392 is 29383721.

12738392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 8234 + ... + 9657.

Almost surely, 2^12738392 is an apocalyptic number.

It is an amenable number.

12738392 is a deficient number, since it is larger than the sum of its proper divisors (11415808).

12738392 is a wasteful number, since it uses less digits than its factorization.

12738392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17986 (or 17982 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 12738392 is about 3569.0883990173. The cubic root of 12738392 is about 233.5455176469.

It can be divided in two parts, 127 and 38392, that multiplied together give a palindrome (4875784).

The spelling of 12738392 in words is "twelve million, seven hundred thirty-eight thousand, three hundred ninety-two".