12651767 has 2 divisors, whose sum is σ = 12651768. Its totient is φ = 12651766.

The previous prime is 12651763. The next prime is 12651781. The reversal of 12651767 is 76715621.

12651767 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (76715621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12651767 - 2² = 12651763 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12651763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6325883 + 6325884.

It is an arithmetic number, because the mean of its divisors is an integer number (6325884).

Almost surely, 2^12651767 is an apocalyptic number.

12651767 is a deficient number, since it is larger than the sum of its proper divisors (1).

12651767 is an equidigital number, since it uses as much as digits as its factorization.

12651767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 35.

The square root of 12651767 is about 3556.9322456297. The cubic root of 12651767 is about 233.0149191943.

The spelling of 12651767 in words is "twelve million, six hundred fifty-one thousand, seven hundred sixty-seven".