12799022 has 4 divisors (see below), whose sum is σ = 19198536. Its totient is φ = 6399510.

The previous prime is 12799021. The next prime is 12799043. The reversal of 12799022 is 22099721.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12799022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12799021) 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 as a sum of consecutive naturals, namely, 3199754 + ... + 3199757.

It is an arithmetic number, because the mean of its divisors is an integer number (4799634).

Almost surely, 2^12799022 is an apocalyptic number.

12799022 is a deficient number, since it is larger than the sum of its proper divisors (6399514).

12799022 is an equidigital number, since it uses as much as digits as its factorization.

12799022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6399513.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 12799022 is about 3577.5720817336. The cubic root of 12799022 is about 233.9154612191.

It can be divided in two parts, 1279 and 9022, that added together give a palindrome (10301).

The spelling of 12799022 in words is "twelve million, seven hundred ninety-nine thousand, twenty-two".