13005122 has 8 divisors (see below), whose sum is σ = 21008316. Its totient is φ = 6002352.

The previous prime is 13005121. The next prime is 13005127. The reversal of 13005122 is 22150031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11703241 + 1301881 = 3421^2 + 1141^2 .

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 = 13005097 and 13005106.

It is not an unprimeable number, because it can be changed into a prime (13005121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250073 + ... + 250124.

Almost surely, 2^13005122 is an apocalyptic number.

13005122 is a deficient number, since it is larger than the sum of its proper divisors (8003194).

13005122 is a wasteful number, since it uses less digits than its factorization.

13005122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500212.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 13005122 is about 3606.2614991151. The cubic root of 13005122 is about 235.1643455795.

Adding to 13005122 its reverse (22150031), we get a palindrome (35155153).

The spelling of 13005122 in words is "thirteen million, five thousand, one hundred twenty-two".