13143022 has 8 divisors (see below), whose sum is σ = 20752200. Its totient is φ = 6225624.

The previous prime is 13142981. The next prime is 13143037. The reversal of 13143022 is 22034131.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 13142987 and 13143005.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 172897 + ... + 172972.

It is an arithmetic number, because the mean of its divisors is an integer number (2594025).

Almost surely, 2^13143022 is an apocalyptic number.

13143022 is a deficient number, since it is larger than the sum of its proper divisors (7609178).

13143022 is a wasteful number, since it uses less digits than its factorization.

13143022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345890.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13143022 is about 3625.3306056138. The cubic root of 13143022 is about 235.9926144390.

Adding to 13143022 its reverse (22034131), we get a palindrome (35177153).

The spelling of 13143022 in words is "thirteen million, one hundred forty-three thousand, twenty-two".