12485543 has 16 divisors (see below), whose sum is σ = 14760000. Its totient is φ = 10555776.

The previous prime is 12485537. The next prime is 12485587. The reversal of 12485543 is 34558421.

It is not a de Polignac number, because 12485543 - 2⁸ = 12485287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12485533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30323 + ... + 30731.

It is an arithmetic number, because the mean of its divisors is an integer number (922500).

Almost surely, 2^12485543 is an apocalyptic number.

12485543 is a deficient number, since it is larger than the sum of its proper divisors (2274457).

12485543 is an frugal number, since it uses more digits than its factorization.

12485543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519 (or 505 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 12485543 is about 3533.4887858885. The cubic root of 12485543 is about 231.9899358991.

The spelling of 12485543 in words is "twelve million, four hundred eighty-five thousand, five hundred forty-three".