12626543 has 2 divisors, whose sum is σ = 12626544. Its totient is φ = 12626542.

The previous prime is 12626539. The next prime is 12626557. The reversal of 12626543 is 34562621.

12626543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (34562621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12626543 - 2² = 12626539 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12626533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6313271 + 6313272.

It is an arithmetic number, because the mean of its divisors is an integer number (6313272).

Almost surely, 2^12626543 is an apocalyptic number.

12626543 is a deficient number, since it is larger than the sum of its proper divisors (1).

12626543 is an equidigital number, since it uses as much as digits as its factorization.

12626543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 12626543 is about 3553.3847244564. The cubic root of 12626543 is about 232.8599611631.

The spelling of 12626543 in words is "twelve million, six hundred twenty-six thousand, five hundred forty-three".