12006541 has 2 divisors, whose sum is σ = 12006542. Its totient is φ = 12006540.

The previous prime is 12006523. The next prime is 12006583. The reversal of 12006541 is 14560021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8145316 + 3861225 = 2854^2 + 1965^2 .

It is a cyclic number.

It is not a de Polignac number, because 12006541 - 2⁵ = 12006509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12006521) 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 as a sum of consecutive naturals, namely, 6003270 + 6003271.

It is an arithmetic number, because the mean of its divisors is an integer number (6003271).

Almost surely, 2^12006541 is an apocalyptic number.

It is an amenable number.

12006541 is a deficient number, since it is larger than the sum of its proper divisors (1).

12006541 is an equidigital number, since it uses as much as digits as its factorization.

12006541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 12006541 is about 3465.0455985456. The cubic root of 12006541 is about 228.9844385986.

Adding to 12006541 its reverse (14560021), we get a palindrome (26566562).

The spelling of 12006541 in words is "twelve million, six thousand, five hundred forty-one".