12799922 has 4 divisors (see below), whose sum is σ = 19199886. Its totient is φ = 6399960.

The previous prime is 12799921. The next prime is 12799957. The reversal of 12799922 is 22999721.

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

It can be written as a sum of positive squares in only one way, i.e., 7187761 + 5612161 = 2681^2 + 2369^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12799922.

It is not an unprimeable number, because it can be changed into a prime (12799921) 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 as a sum of consecutive naturals, namely, 3199979 + ... + 3199982.

Almost surely, 2^12799922 is an apocalyptic number.

12799922 is a deficient number, since it is larger than the sum of its proper divisors (6399964).

12799922 is an equidigital number, since it uses as much as digits as its factorization.

12799922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6399963.

The product of its digits is 40824, while the sum is 41.

The square root of 12799922 is about 3577.6978631517. The cubic root of 12799922 is about 233.9209439032.

The spelling of 12799922 in words is "twelve million, seven hundred ninety-nine thousand, nine hundred twenty-two".