12799567 has 8 divisors (see below), whose sum is σ = 14037840. Its totient is φ = 11573760.

The previous prime is 12799541. The next prime is 12799573. The reversal of 12799567 is 76599721.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-12799567 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 (12799517) 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 7 ways as a sum of consecutive naturals, for example, 892 + ... + 5137.

It is an arithmetic number, because the mean of its divisors is an integer number (1754730).

Almost surely, 2^12799567 is an apocalyptic number.

12799567 is a deficient number, since it is larger than the sum of its proper divisors (1238273).

12799567 is a wasteful number, since it uses less digits than its factorization.

12799567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6233.

The product of its digits is 238140, while the sum is 46.

The square root of 12799567 is about 3577.6482498982. The cubic root of 12799567 is about 233.9187813196.

It can be divided in two parts, 12799 and 567, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 12799567 in words is "twelve million, seven hundred ninety-nine thousand, five hundred sixty-seven".