12904271 has 2 divisors, whose sum is σ = 12904272. Its totient is φ = 12904270.

The previous prime is 12904253. The next prime is 12904279. The reversal of 12904271 is 17240921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12904271 - 2¹⁸ = 12642127 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12904271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12904279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6452135 + 6452136.

It is an arithmetic number, because the mean of its divisors is an integer number (6452136).

Almost surely, 2^12904271 is an apocalyptic number.

12904271 is a deficient number, since it is larger than the sum of its proper divisors (1).

12904271 is an equidigital number, since it uses as much as digits as its factorization.

12904271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 12904271 is about 3592.2515223742. The cubic root of 12904271 is about 234.5548900653.

The spelling of 12904271 in words is "twelve million, nine hundred four thousand, two hundred seventy-one".