12467944507 has 2 divisors, whose sum is σ = 12467944508. Its totient is φ = 12467944506.

The previous prime is 12467944499. The next prime is 12467944523. The reversal of 12467944507 is 70544976421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12467944507 - 2³ = 12467944499 is a prime.

It is not a weakly prime, because it can be changed into another prime (12467944607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6233972253 + 6233972254.

It is an arithmetic number, because the mean of its divisors is an integer number (6233972254).

Almost surely, 2^12467944507 is an apocalyptic number.

12467944507 is a deficient number, since it is larger than the sum of its proper divisors (1).

12467944507 is an equidigital number, since it uses as much as digits as its factorization.

12467944507 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 49.

The spelling of 12467944507 in words is "twelve billion, four hundred sixty-seven million, nine hundred forty-four thousand, five hundred seven".