12799065 has 16 divisors (see below), whose sum is σ = 21556800. Its totient is φ = 6466752.

The previous prime is 12799051. The next prime is 12799067. The reversal of 12799065 is 56099721.

It is not a de Polignac number, because 12799065 - 2²⁰ = 11750489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12799067) 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 15 ways as a sum of consecutive naturals, for example, 22170 + ... + 22739.

It is an arithmetic number, because the mean of its divisors is an integer number (1347300).

Almost surely, 2^12799065 is an apocalyptic number.

12799065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12799065 is a deficient number, since it is larger than the sum of its proper divisors (8757735).

12799065 is a wasteful number, since it uses less digits than its factorization.

12799065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44936.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 12799065 is about 3577.5780913909. The cubic root of 12799065 is about 233.9157231755.

The spelling of 12799065 in words is "twelve million, seven hundred ninety-nine thousand, sixty-five".