13000022 has 16 divisors (see below), whose sum is σ = 22384032. Its totient is φ = 5546880.

The previous prime is 12999997. The next prime is 13000027. The reversal of 13000022 is 22000031.

It is a junction number, because it is equal to n+sod(n) for n = 12999973 and 13000009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13000027) 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 in 7 ways as a sum of consecutive naturals, for example, 1448 + ... + 5300.

It is an arithmetic number, because the mean of its divisors is an integer number (1399002).

Almost surely, 2^13000022 is an apocalyptic number.

13000022 is a deficient number, since it is larger than the sum of its proper divisors (9384010).

13000022 is a wasteful number, since it uses less digits than its factorization.

13000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 13000022 is about 3605.5543263138. The cubic root of 13000022 is about 235.1336014114.

Adding to 13000022 its reverse (22000031), we get a palindrome (35000053).

Subtracting 13000022 from its reverse (22000031), we obtain a palindrome (9000009).

The spelling of 13000022 in words is "thirteen million, twenty-two", and thus it is an aban number and an uban number.