12916567 has 4 divisors (see below), whose sum is σ = 13128376. Its totient is φ = 12704760.

The previous prime is 12916559. The next prime is 12916619. The reversal of 12916567 is 76561921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76561921 = 223 ⋅343327.

It is a cyclic number.

It is not a de Polignac number, because 12916567 - 2³ = 12916559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12916507) 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, 105813 + ... + 105934.

It is an arithmetic number, because the mean of its divisors is an integer number (3282094).

Almost surely, 2^12916567 is an apocalyptic number.

12916567 is a deficient number, since it is larger than the sum of its proper divisors (211809).

12916567 is an equidigital number, since it uses as much as digits as its factorization.

12916567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211808.

The product of its digits is 22680, while the sum is 37.

The square root of 12916567 is about 3593.9625763216. The cubic root of 12916567 is about 234.6293659596.

The spelling of 12916567 in words is "twelve million, nine hundred sixteen thousand, five hundred sixty-seven".