13123122 has 16 divisors (see below), whose sum is σ = 26492832. Its totient is φ = 4333280.

The previous prime is 13123111. The next prime is 13123147. The reversal of 13123122 is 22132131.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 9579 + ... + 10862.

It is an arithmetic number, because the mean of its divisors is an integer number (1655802).

Almost surely, 2^13123122 is an apocalyptic number.

13123122 is an abundant number, since it is smaller than the sum of its proper divisors (13369710).

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

13123122 is a wasteful number, since it uses less digits than its factorization.

13123122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20553.

The product of its digits is 72, while the sum is 15.

The square root of 13123122 is about 3622.5849886511. The cubic root of 13123122 is about 235.8734479023.

Adding to 13123122 its reverse (22132131), we get a palindrome (35255253).

Subtracting 13123122 from its reverse (22132131), we obtain a palindrome (9009009).

The spelling of 13123122 in words is "thirteen million, one hundred twenty-three thousand, one hundred twenty-two".