12738712 has 32 divisors (see below), whose sum is σ = 28905120. Its totient is φ = 5137920.

The previous prime is 12738701. The next prime is 12738727. The reversal of 12738712 is 21783721.

It is a congruent number.

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, 5739 + ... + 7642.

It is an arithmetic number, because the mean of its divisors is an integer number (903285).

Almost surely, 2^12738712 is an apocalyptic number.

It is an amenable number.

12738712 is an abundant number, since it is smaller than the sum of its proper divisors (16166408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12738712 is a wasteful number, since it uses less digits than its factorization.

12738712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13411 (or 13407 counting only the distinct ones).

The product of its digits is 4704, while the sum is 31.

The square root of 12738712 is about 3569.1332281102. The cubic root of 12738712 is about 233.5474732558.

The spelling of 12738712 in words is "twelve million, seven hundred thirty-eight thousand, seven hundred twelve".