12867347 has 4 divisors (see below), whose sum is σ = 12908256. Its totient is φ = 12826440.

The previous prime is 12867343. The next prime is 12867367. The reversal of 12867347 is 74376821.

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 12867347 - 2² = 12867343 is a prime.

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 12867347.

It is not an unprimeable number, because it can be changed into a prime (12867343) 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 3 ways as a sum of consecutive naturals, for example, 19979 + ... + 20612.

It is an arithmetic number, because the mean of its divisors is an integer number (3227064).

Almost surely, 2^12867347 is an apocalyptic number.

12867347 is a deficient number, since it is larger than the sum of its proper divisors (40909).

12867347 is an equidigital number, since it uses as much as digits as its factorization.

12867347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40908.

The product of its digits is 56448, while the sum is 38.

The square root of 12867347 is about 3587.1084455310. The cubic root of 12867347 is about 234.3309595947.

The spelling of 12867347 in words is "twelve million, eight hundred sixty-seven thousand, three hundred forty-seven".