12672543 has 16 divisors (see below), whose sum is σ = 18275040. Its totient is φ = 7764864.

The previous prime is 12672533. The next prime is 12672553. The reversal of 12672543 is 34527621.

It is an interprime number because it is at equal distance from previous prime (12672533) and next prime (12672553).

It is not a de Polignac number, because 12672543 - 2⁶ = 12672479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12672543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12672533) 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 15 ways as a sum of consecutive naturals, for example, 10873 + ... + 11981.

It is an arithmetic number, because the mean of its divisors is an integer number (1142190).

Almost surely, 2^12672543 is an apocalyptic number.

12672543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12672543 is a deficient number, since it is larger than the sum of its proper divisors (5602497).

12672543 is a wasteful number, since it uses less digits than its factorization.

12672543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418.

The product of its digits is 10080, while the sum is 30.

The square root of 12672543 is about 3559.8515418483. The cubic root of 12672543 is about 233.1423973149.

The spelling of 12672543 in words is "twelve million, six hundred seventy-two thousand, five hundred forty-three".