13122842 has 8 divisors (see below), whose sum is σ = 19786836. Its totient is φ = 6527232.

The previous prime is 13122841. The next prime is 13122871. The reversal of 13122842 is 24822131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13039321 + 83521 = 3611^2 + 289^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13122841) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16613 + ... + 17384.

Almost surely, 2^13122842 is an apocalyptic number.

13122842 is a deficient number, since it is larger than the sum of its proper divisors (6663994).

13122842 is a wasteful number, since it uses less digits than its factorization.

13122842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34192.

The product of its digits is 768, while the sum is 23.

The square root of 13122842 is about 3622.5463420086. The cubic root of 13122842 is about 235.8717703280.

Adding to 13122842 its reverse (24822131), we get a palindrome (37944973).

The spelling of 13122842 in words is "thirteen million, one hundred twenty-two thousand, eight hundred forty-two".