12908251 has 2 divisors, whose sum is σ = 12908252. Its totient is φ = 12908250.

The previous prime is 12908209. The next prime is 12908261. The reversal of 12908251 is 15280921.

12908251 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12908251 - 2⁷ = 12908123 is a prime.

It is not a weakly prime, because it can be changed into another prime (12908261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6454125 + 6454126.

It is an arithmetic number, because the mean of its divisors is an integer number (6454126).

Almost surely, 2^12908251 is an apocalyptic number.

12908251 is a deficient number, since it is larger than the sum of its proper divisors (1).

12908251 is an equidigital number, since it uses as much as digits as its factorization.

12908251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 12908251 is about 3592.8054497843. The cubic root of 12908251 is about 234.5790017853.

The spelling of 12908251 in words is "twelve million, nine hundred eight thousand, two hundred fifty-one".