12901541 has 2 divisors, whose sum is σ = 12901542. Its totient is φ = 12901540.

The previous prime is 12901519. The next prime is 12901543. The reversal of 12901541 is 14510921.

It is a happy number.

12901541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12397441 + 504100 = 3521^2 + 710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12901541 is a prime.

Together with 12901543, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12901543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6450770 + 6450771.

It is an arithmetic number, because the mean of its divisors is an integer number (6450771).

Almost surely, 2^12901541 is an apocalyptic number.

It is an amenable number.

12901541 is a deficient number, since it is larger than the sum of its proper divisors (1).

12901541 is an equidigital number, since it uses as much as digits as its factorization.

12901541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 12901541 is about 3591.8715177467. The cubic root of 12901541 is about 234.5383482550.

The spelling of 12901541 in words is "twelve million, nine hundred one thousand, five hundred forty-one".