12926543 has 12 divisors (see below), whose sum is σ = 15101352. Its totient is φ = 11032560.

The previous prime is 12926539. The next prime is 12926567. The reversal of 12926543 is 34562921.

It is a happy number.

It is not a de Polignac number, because 12926543 - 2² = 12926539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12926143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15821 + ... + 16617.

It is an arithmetic number, because the mean of its divisors is an integer number (1258446).

Almost surely, 2^12926543 is an apocalyptic number.

12926543 is a deficient number, since it is larger than the sum of its proper divisors (2174809).

12926543 is an equidigital number, since it uses as much as digits as its factorization.

12926543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142 (or 1135 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 12926543 is about 3595.3501915669. The cubic root of 12926543 is about 234.6897550763.

The spelling of 12926543 in words is "twelve million, nine hundred twenty-six thousand, five hundred forty-three".