12767697 has 12 divisors (see below), whose sum is σ = 19527300. Its totient is φ = 8011008.

The previous prime is 12767683. The next prime is 12767719. The reversal of 12767697 is 79676721.

It can be written as a sum of positive squares in 2 ways, for example, as 5363856 + 7403841 = 2316^2 + 2721^2 .

It is not a de Polignac number, because 12767697 - 2⁴ = 12767681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12767897) 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 in 11 ways as a sum of consecutive naturals, for example, 41572 + ... + 41877.

It is an arithmetic number, because the mean of its divisors is an integer number (1627275).

Almost surely, 2^12767697 is an apocalyptic number.

12767697 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12767697 is a deficient number, since it is larger than the sum of its proper divisors (6759603).

12767697 is a wasteful number, since it uses less digits than its factorization.

12767697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83472 (or 83469 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The square root of 12767697 is about 3573.1914306401. The cubic root of 12767697 is about 233.7244729862.

The spelling of 12767697 in words is "twelve million, seven hundred sixty-seven thousand, six hundred ninety-seven".