12632543 has 24 divisors (see below), whose sum is σ = 16744320. Its totient is φ = 9406320.

The previous prime is 12632537. The next prime is 12632569. The reversal of 12632543 is 34523621.

12632543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12632543 - 2¹⁰ = 12631519 is a prime.

It is a super-2 number, since 2×12632543² = 319162285293698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12632443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11888 + ... + 12906.

It is an arithmetic number, because the mean of its divisors is an integer number (697680).

Almost surely, 2^12632543 is an apocalyptic number.

12632543 is a deficient number, since it is larger than the sum of its proper divisors (4111777).

12632543 is a wasteful number, since it uses less digits than its factorization.

12632543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067 (or 1060 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 12632543 is about 3554.2288896468. The cubic root of 12632543 is about 232.8968395211.

The spelling of 12632543 in words is "twelve million, six hundred thirty-two thousand, five hundred forty-three".