12643064 has 16 divisors (see below), whose sum is σ = 27092400. Its totient is φ = 5418432.

The previous prime is 12643049. The next prime is 12643109. The reversal of 12643064 is 46034621.

12643064 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 3 ways as a sum of consecutive naturals, for example, 112829 + ... + 112940.

It is an arithmetic number, because the mean of its divisors is an integer number (1693275).

Almost surely, 2^12643064 is an apocalyptic number.

12643064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12643064 is an abundant number, since it is smaller than the sum of its proper divisors (14449336).

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

12643064 is a wasteful number, since it uses less digits than its factorization.

12643064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225782 (or 225778 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 12643064 is about 3555.7086494818. The cubic root of 12643064 is about 232.9614775415.

Adding to 12643064 its reverse (46034621), we get a palindrome (58677685).

The spelling of 12643064 in words is "twelve million, six hundred forty-three thousand, sixty-four".