12800022 has 16 divisors (see below), whose sum is σ = 25961472. Its totient is φ = 4206440.

The previous prime is 12800017. The next prime is 12800041. The reversal of 12800022 is 22000821.

It is a junction number, because it is equal to n+sod(n) for n = 12799974 and 12800010.

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, 14598 + ... + 15449.

It is an arithmetic number, because the mean of its divisors is an integer number (1622592).

Almost surely, 2^12800022 is an apocalyptic number.

12800022 is an abundant number, since it is smaller than the sum of its proper divisors (13161450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12800022 is a wasteful number, since it uses less digits than its factorization.

12800022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30123.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 12800022 is about 3577.7118385918. The cubic root of 12800022 is about 233.9215530744.

Adding to 12800022 its reverse (22000821), we get a palindrome (34800843).

The spelling of 12800022 in words is "twelve million, eight hundred thousand, twenty-two".