13143322 has 8 divisors (see below), whose sum is σ = 20394900. Its totient is φ = 6345024.

The previous prime is 13143313. The next prime is 13143343. The reversal of 13143322 is 22334131.

It can be written as a sum of positive squares in 2 ways, for example, as 11553201 + 1590121 = 3399^2 + 1261^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13143322.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113247 + ... + 113362.

Almost surely, 2^13143322 is an apocalyptic number.

13143322 is a deficient number, since it is larger than the sum of its proper divisors (7251578).

13143322 is a wasteful number, since it uses less digits than its factorization.

13143322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226640.

The product of its digits is 432, while the sum is 19.

The square root of 13143322 is about 3625.3719809145. The cubic root of 13143322 is about 235.9944099988.

Adding to 13143322 its reverse (22334131), we get a palindrome (35477453).

The spelling of 13143322 in words is "thirteen million, one hundred forty-three thousand, three hundred twenty-two".