12706738 has 16 divisors (see below), whose sum is σ = 20956320. Its totient is φ = 5730400.

The previous prime is 12706723. The next prime is 12706777. The reversal of 12706738 is 83760721.

12706738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12706738² = 322922381201288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678 + ... + 5086.

It is an arithmetic number, because the mean of its divisors is an integer number (1309770).

Almost surely, 2^12706738 is an apocalyptic number.

12706738 is a deficient number, since it is larger than the sum of its proper divisors (8249582).

12706738 is a wasteful number, since it uses less digits than its factorization.

12706738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4553.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 12706738 is about 3564.6511750801. The cubic root of 12706738 is about 233.3519091787.

It can be divided in two parts, 1270 and 6738, that added together give a palindrome (8008).

The spelling of 12706738 in words is "twelve million, seven hundred six thousand, seven hundred thirty-eight".