12702504457 has 2 divisors, whose sum is σ = 12702504458. Its totient is φ = 12702504456.

The previous prime is 12702504443. The next prime is 12702504547. The reversal of 12702504457 is 75440520721.

Together with next prime (12702504547) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12480464656 + 222039801 = 111716^2 + 14901^2 .

It is a cyclic number.

It is not a de Polignac number, because 12702504457 - 2²⁷ = 12568286729 is a prime.

It is a super-2 number, since 2×12702504457² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12702504557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6351252228 + 6351252229.

It is an arithmetic number, because the mean of its divisors is an integer number (6351252229).

Almost surely, 2^12702504457 is an apocalyptic number.

It is an amenable number.

12702504457 is a deficient number, since it is larger than the sum of its proper divisors (1).

12702504457 is an equidigital number, since it uses as much as digits as its factorization.

12702504457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78400, while the sum is 37.

The spelling of 12702504457 in words is "twelve billion, seven hundred two million, five hundred four thousand, four hundred fifty-seven".