12696347 has 4 divisors (see below), whose sum is σ = 13006056. Its totient is φ = 12386640.

The previous prime is 12696323. The next prime is 12696349. The reversal of 12696347 is 74369621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12696347 - 2⁶ = 12696283 is a prime.

It is a super-2 number, since 2×12696347² = 322394454288818, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12696347.

It is not an unprimeable number, because it can be changed into a prime (12696349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154793 + ... + 154874.

It is an arithmetic number, because the mean of its divisors is an integer number (3251514).

Almost surely, 2^12696347 is an apocalyptic number.

12696347 is a deficient number, since it is larger than the sum of its proper divisors (309709).

12696347 is an equidigital number, since it uses as much as digits as its factorization.

12696347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309708.

The product of its digits is 54432, while the sum is 38.

The square root of 12696347 is about 3563.1933711209. The cubic root of 12696347 is about 233.2882835930.

The spelling of 12696347 in words is "twelve million, six hundred ninety-six thousand, three hundred forty-seven".