12628543 has 8 divisors (see below), whose sum is σ = 13111200. Its totient is φ = 12149088.

The previous prime is 12628513. The next prime is 12628547. The reversal of 12628543 is 34582621.

12628543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12628543 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 (12628547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9805 + ... + 11017.

It is an arithmetic number, because the mean of its divisors is an integer number (1638900).

Almost surely, 2^12628543 is an apocalyptic number.

12628543 is a deficient number, since it is larger than the sum of its proper divisors (482657).

12628543 is a wasteful number, since it uses less digits than its factorization.

12628543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601.

The product of its digits is 11520, while the sum is 31.

The square root of 12628543 is about 3553.6661351343. Note that the first 3 decimals coincide. The cubic root of 12628543 is about 232.8722552469.

The spelling of 12628543 in words is "twelve million, six hundred twenty-eight thousand, five hundred forty-three".