12677543 has 4 divisors (see below), whose sum is σ = 13086528. Its totient is φ = 12268560.

The previous prime is 12677537. The next prime is 12677557. The reversal of 12677543 is 34577621.

12677543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12677543 - 2⁴ = 12677527 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 (12677443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204446 + ... + 204507.

It is an arithmetic number, because the mean of its divisors is an integer number (3271632).

Almost surely, 2^12677543 is an apocalyptic number.

12677543 is a deficient number, since it is larger than the sum of its proper divisors (408985).

12677543 is an equidigital number, since it uses as much as digits as its factorization.

12677543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408984.

The product of its digits is 35280, while the sum is 35.

The square root of 12677543 is about 3560.5537490677. The cubic root of 12677543 is about 233.1730556895.

The spelling of 12677543 in words is "twelve million, six hundred seventy-seven thousand, five hundred forty-three".