12747064 has 32 divisors (see below), whose sum is σ = 26717040. Its totient is φ = 5651200.

The previous prime is 12747047. The next prime is 12747121. The reversal of 12747064 is 46074721.

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, 1842 + ... + 5374.

Almost surely, 2^12747064 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 12747064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13358520).

12747064 is an abundant number, since it is smaller than the sum of its proper divisors (13969976).

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

12747064 is a wasteful number, since it uses less digits than its factorization.

12747064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3591 (or 3587 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 12747064 is about 3570.3030683683. The cubic root of 12747064 is about 233.5985030710.

It can be divided in two parts, 1274 and 7064, that added together give a palindrome (8338).

The spelling of 12747064 in words is "twelve million, seven hundred forty-seven thousand, sixty-four".