12796543 has 4 divisors (see below), whose sum is σ = 12976848. Its totient is φ = 12616240.

The previous prime is 12796513. The next prime is 12796547. The reversal of 12796543 is 34569721.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12796543 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 (12796547) 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 3 ways as a sum of consecutive naturals, for example, 90046 + ... + 90187.

It is an arithmetic number, because the mean of its divisors is an integer number (3244212).

Almost surely, 2^12796543 is an apocalyptic number.

12796543 is a deficient number, since it is larger than the sum of its proper divisors (180305).

12796543 is an equidigital number, since it uses as much as digits as its factorization.

12796543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180304.

The product of its digits is 45360, while the sum is 37.

The square root of 12796543 is about 3577.2256009371. The cubic root of 12796543 is about 233.9003581415.

The spelling of 12796543 in words is "twelve million, seven hundred ninety-six thousand, five hundred forty-three".