12908453 has 2 divisors, whose sum is σ = 12908454. Its totient is φ = 12908452.

The previous prime is 12908447. The next prime is 12908531. The reversal of 12908453 is 35480921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10543009 + 2365444 = 3247^2 + 1538^2 .

It is a cyclic number.

It is not a de Polignac number, because 12908453 - 2⁴ = 12908437 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12908953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6454226 + 6454227.

It is an arithmetic number, because the mean of its divisors is an integer number (6454227).

Almost surely, 2^12908453 is an apocalyptic number.

It is an amenable number.

12908453 is a deficient number, since it is larger than the sum of its proper divisors (1).

12908453 is an equidigital number, since it uses as much as digits as its factorization.

12908453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 12908453 is about 3592.8335614108. The cubic root of 12908453 is about 234.5802254137.

The spelling of 12908453 in words is "twelve million, nine hundred eight thousand, four hundred fifty-three".