12901457 has 2 divisors, whose sum is σ = 12901458. Its totient is φ = 12901456.

The previous prime is 12901451. The next prime is 12901501. The reversal of 12901457 is 75410921.

12901457 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12503296 + 398161 = 3536^2 + 631^2 .

It is a cyclic number.

It is not a de Polignac number, because 12901457 - 2⁶ = 12901393 is a prime.

It is not a weakly prime, because it can be changed into another prime (12901451) 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, 6450728 + 6450729.

It is an arithmetic number, because the mean of its divisors is an integer number (6450729).

Almost surely, 2^12901457 is an apocalyptic number.

It is an amenable number.

12901457 is a deficient number, since it is larger than the sum of its proper divisors (1).

12901457 is an equidigital number, since it uses as much as digits as its factorization.

12901457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 12901457 is about 3591.8598246591. The cubic root of 12901457 is about 234.5378392392.

The spelling of 12901457 in words is "twelve million, nine hundred one thousand, four hundred fifty-seven".