12734688 has 48 divisors (see below), whose sum is σ = 33762960. Its totient is φ = 4202496.

The previous prime is 12734677. The next prime is 12734713. The reversal of 12734688 is 88643721.

It is a tau number, because it is divible by the number of its divisors (48).

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, 9856 + ... + 11072.

It is an arithmetic number, because the mean of its divisors is an integer number (703395).

Almost surely, 2^12734688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12734688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16881480).

12734688 is an abundant number, since it is smaller than the sum of its proper divisors (21028272).

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

12734688 is a wasteful number, since it uses less digits than its factorization.

12734688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339 (or 1331 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 12734688 is about 3568.5694612828. The cubic root of 12734688 is about 233.5228790895.

The spelling of 12734688 in words is "twelve million, seven hundred thirty-four thousand, six hundred eighty-eight".