13000122 has 16 divisors (see below), whose sum is σ = 28889280. Its totient is φ = 4333356.

The previous prime is 13000081. The next prime is 13000133. The reversal of 13000122 is 22100031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 120318 + ... + 120425.

It is an arithmetic number, because the mean of its divisors is an integer number (1805580).

Almost surely, 2^13000122 is an apocalyptic number.

13000122 is an abundant number, since it is smaller than the sum of its proper divisors (15889158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13000122 is a wasteful number, since it uses less digits than its factorization.

13000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240754 (or 240748 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 13000122 is about 3605.5681937803. The cubic root of 13000122 is about 235.1342043155.

Adding to 13000122 its reverse (22100031), we get a palindrome (35100153).

Subtracting 13000122 from its reverse (22100031), we obtain a palindrome (9099909).

The spelling of 13000122 in words is "thirteen million, one hundred twenty-two", and thus it is an aban number.