12908754437 has 2 divisors, whose sum is σ = 12908754438. Its totient is φ = 12908754436.

The previous prime is 12908754421. The next prime is 12908754473. The reversal of 12908754437 is 73445780921.

Together with next prime (12908754473) 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., 11224554916 + 1684199521 = 105946^2 + 41039^2 .

It is an emirp because it is prime and its reverse (73445780921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12908754437 - 2⁴ = 12908754421 is a prime.

It is a super-2 number, since 2×12908754437² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12908751437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6454377218 + 6454377219.

It is an arithmetic number, because the mean of its divisors is an integer number (6454377219).

Almost surely, 2^12908754437 is an apocalyptic number.

It is an amenable number.

12908754437 is a deficient number, since it is larger than the sum of its proper divisors (1).

12908754437 is an equidigital number, since it uses as much as digits as its factorization.

12908754437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 12908754437 in words is "twelve billion, nine hundred eight million, seven hundred fifty-four thousand, four hundred thirty-seven".