12799805 has 8 divisors (see below), whose sum is σ = 15390432. Its totient is φ = 10219408.

The previous prime is 12799783. The next prime is 12799811. The reversal of 12799805 is 50899721.

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

It is a cyclic number.

It is not a de Polignac number, because 12799805 - 2⁶ = 12799741 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542 + ... + 5088.

It is an arithmetic number, because the mean of its divisors is an integer number (1923804).

Almost surely, 2^12799805 is an apocalyptic number.

It is an amenable number.

12799805 is a deficient number, since it is larger than the sum of its proper divisors (2590627).

12799805 is an equidigital number, since it uses as much as digits as its factorization.

12799805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5115.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 12799805 is about 3577.6815118174. The cubic root of 12799805 is about 233.9202311688.

The spelling of 12799805 in words is "twelve million, seven hundred ninety-nine thousand, eight hundred five".