13122122 has 32 divisors (see below), whose sum is σ = 22619520. Its totient is φ = 5659200.

The previous prime is 13122119. The next prime is 13122127. The reversal of 13122122 is 22122131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13122097 and 13122106.

It is not an unprimeable number, because it can be changed into a prime (13122127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49763 + ... + 50025.

It is an arithmetic number, because the mean of its divisors is an integer number (706860).

Almost surely, 2^13122122 is an apocalyptic number.

13122122 is a deficient number, since it is larger than the sum of its proper divisors (9497398).

13122122 is a wasteful number, since it uses less digits than its factorization.

13122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398.

The product of its digits is 48, while the sum is 14.

The square root of 13122122 is about 3622.4469630348. The cubic root of 13122122 is about 235.8674564561.

Adding to 13122122 its reverse (22122131), we get a palindrome (35244253).

Subtracting 13122122 from its reverse (22122131), we obtain a palindrome (9000009).

It can be divided in two parts, 131 and 22122, that multiplied together give a palindrome (2897982).

The spelling of 13122122 in words is "thirteen million, one hundred twenty-two thousand, one hundred twenty-two".