13143122 has 16 divisors (see below), whose sum is σ = 20483232. Its totient is φ = 6320160.

The previous prime is 13143089. The next prime is 13143149. The reversal of 13143122 is 22134131.

13143122 = 74² + 75² + ... + 341².

It is a self number, because there is not a number n which added to its sum of digits gives 13143122.

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, 4622 + ... + 6902.

It is an arithmetic number, because the mean of its divisors is an integer number (1280202).

Almost surely, 2^13143122 is an apocalyptic number.

13143122 is a deficient number, since it is larger than the sum of its proper divisors (7340110).

13143122 is a wasteful number, since it uses less digits than its factorization.

13143122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393.

The product of its digits is 144, while the sum is 17.

The square root of 13143122 is about 3625.3443974332. The cubic root of 13143122 is about 235.9932129620.

Adding to 13143122 its reverse (22134131), we get a palindrome (35277253).

The spelling of 13143122 in words is "thirteen million, one hundred forty-three thousand, one hundred twenty-two".