12906541 has 2 divisors, whose sum is σ = 12906542. Its totient is φ = 12906540.

The previous prime is 12906527. The next prime is 12906559. The reversal of 12906541 is 14560921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12630916 + 275625 = 3554^2 + 525^2 .

It is an emirp because it is prime and its reverse (14560921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12906541 - 2⁹ = 12906029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12906511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6453270 + 6453271.

It is an arithmetic number, because the mean of its divisors is an integer number (6453271).

Almost surely, 2^12906541 is an apocalyptic number.

It is an amenable number.

12906541 is a deficient number, since it is larger than the sum of its proper divisors (1).

12906541 is an equidigital number, since it uses as much as digits as its factorization.

12906541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 12906541 is about 3592.5674663115. The cubic root of 12906541 is about 234.5686428346.

The spelling of 12906541 in words is "twelve million, nine hundred six thousand, five hundred forty-one".