12799559 has 12 divisors (see below), whose sum is σ = 13941720. Its totient is φ = 11718000.

The previous prime is 12799541. The next prime is 12799573. The reversal of 12799559 is 95599721.

12799559 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12799559 - 2¹² = 12795463 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 (12799529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17909 + ... + 18609.

It is an arithmetic number, because the mean of its divisors is an integer number (1161810).

Almost surely, 2^12799559 is an apocalyptic number.

12799559 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12799559 is a deficient number, since it is larger than the sum of its proper divisors (1142161).

12799559 is an equidigital number, since it uses as much as digits as its factorization.

12799559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782 (or 751 counting only the distinct ones).

The product of its digits is 255150, while the sum is 47.

The square root of 12799559 is about 3577.6471318452. The cubic root of 12799559 is about 233.9187325849.

The spelling of 12799559 in words is "twelve million, seven hundred ninety-nine thousand, five hundred fifty-nine".