12667076893 has 2 divisors, whose sum is σ = 12667076894. Its totient is φ = 12667076892.

The previous prime is 12667076857. The next prime is 12667076957. The reversal of 12667076893 is 39867076621.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12634209604 + 32867289 = 112402^2 + 5733^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12667076893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12667076993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6333538446 + 6333538447.

It is an arithmetic number, because the mean of its divisors is an integer number (6333538447).

Almost surely, 2^12667076893 is an apocalyptic number.

It is an amenable number.

12667076893 is a deficient number, since it is larger than the sum of its proper divisors (1).

12667076893 is an equidigital number, since it uses as much as digits as its factorization.

12667076893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 12667076893 in words is "twelve billion, six hundred sixty-seven million, seventy-six thousand, eight hundred ninety-three".