12697807 has 2 divisors, whose sum is σ = 12697808. Its totient is φ = 12697806.

The previous prime is 12697799. The next prime is 12697829. The reversal of 12697807 is 70879621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12697807 - 2³ = 12697799 is a prime.

It is a super-2 number, since 2×12697807² = 322468605218498, which contains 22 as substring.

It is a Chen prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 12697807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12697837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6348903 + 6348904.

It is an arithmetic number, because the mean of its divisors is an integer number (6348904).

Almost surely, 2^12697807 is an apocalyptic number.

12697807 is a deficient number, since it is larger than the sum of its proper divisors (1).

12697807 is an equidigital number, since it uses as much as digits as its factorization.

12697807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 12697807 is about 3563.3982376378. The cubic root of 12697807 is about 233.2972254784.

The spelling of 12697807 in words is "twelve million, six hundred ninety-seven thousand, eight hundred seven".