12988734 has 16 divisors (see below), whose sum is σ = 28339200. Its totient is φ = 3935960.

The previous prime is 12988711. The next prime is 12988747. The reversal of 12988734 is 43788921.

12988734 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 7 ways as a sum of consecutive naturals, for example, 98334 + ... + 98465.

It is an arithmetic number, because the mean of its divisors is an integer number (1771200).

Almost surely, 2^12988734 is an apocalyptic number.

12988734 is an abundant number, since it is smaller than the sum of its proper divisors (15350466).

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

12988734 is a wasteful number, since it uses less digits than its factorization.

12988734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196815.

The product of its digits is 96768, while the sum is 42.

The square root of 12988734 is about 3603.9886237334. The cubic root of 12988734 is about 235.0655257143.

It can be divided in two parts, 129887 and 34, that added together give a palindrome (129921).

The spelling of 12988734 in words is "twelve million, nine hundred eighty-eight thousand, seven hundred thirty-four".