12657407467 has 2 divisors, whose sum is σ = 12657407468. Its totient is φ = 12657407466.

The previous prime is 12657407447. The next prime is 12657407471. The reversal of 12657407467 is 76470475621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12657407467 - 2¹¹ = 12657405419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12657407467.

It is not a weakly prime, because it can be changed into another prime (12657407447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6328703733 + 6328703734.

It is an arithmetic number, because the mean of its divisors is an integer number (6328703734).

Almost surely, 2^12657407467 is an apocalyptic number.

12657407467 is a deficient number, since it is larger than the sum of its proper divisors (1).

12657407467 is an equidigital number, since it uses as much as digits as its factorization.

12657407467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1975680, while the sum is 49.

The spelling of 12657407467 in words is "twelve billion, six hundred fifty-seven million, four hundred seven thousand, four hundred sixty-seven".