12880457 has 2 divisors, whose sum is σ = 12880458. Its totient is φ = 12880456.

The previous prime is 12880447. The next prime is 12880471. The reversal of 12880457 is 75408821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11095561 + 1784896 = 3331^2 + 1336^2 .

It is a cyclic number.

It is not a de Polignac number, because 12880457 - 2⁶ = 12880393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12880447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6440228 + 6440229.

It is an arithmetic number, because the mean of its divisors is an integer number (6440229).

Almost surely, 2^12880457 is an apocalyptic number.

It is an amenable number.

12880457 is a deficient number, since it is larger than the sum of its proper divisors (1).

12880457 is an equidigital number, since it uses as much as digits as its factorization.

12880457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 12880457 is about 3588.9353574563. The cubic root of 12880457 is about 234.4105159097.

The spelling of 12880457 in words is "twelve million, eight hundred eighty thousand, four hundred fifty-seven".