12543064 has 16 divisors (see below), whose sum is σ = 23904720. Its totient is φ = 6168480.

The previous prime is 12543061. The next prime is 12543071. The reversal of 12543064 is 46034521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12543061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12364 + ... + 13339.

It is an arithmetic number, because the mean of its divisors is an integer number (1494045).

Almost surely, 2^12543064 is an apocalyptic number.

It is an amenable number.

12543064 is a deficient number, since it is larger than the sum of its proper divisors (11361656).

12543064 is a wasteful number, since it uses less digits than its factorization.

12543064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25770 (or 25766 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 12543064 is about 3541.6188388927. The cubic root of 12543064 is about 232.3456500497.

Adding to 12543064 its reverse (46034521), we get a palindrome (58577585).

The spelling of 12543064 in words is "twelve million, five hundred forty-three thousand, sixty-four".