12734712 has 128 divisors (see below), whose sum is σ = 38880000. Its totient is φ = 3846528.

The previous prime is 12734677. The next prime is 12734713. The reversal of 12734712 is 21743721.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12734713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118963 + ... + 119069.

It is an arithmetic number, because the mean of its divisors is an integer number (303750).

Almost surely, 2^12734712 is an apocalyptic number.

12734712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12734712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19440000).

12734712 is an abundant number, since it is smaller than the sum of its proper divisors (26145288).

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

12734712 is a wasteful number, since it uses less digits than its factorization.

12734712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 160 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 12734712 is about 3568.5728239732. The cubic root of 12734712 is about 233.5230257897.

Subtracting 12734712 from its reverse (21743721), we obtain a palindrome (9009009).

The spelling of 12734712 in words is "twelve million, seven hundred thirty-four thousand, seven hundred twelve".