13013122 has 8 divisors (see below), whose sum is σ = 20047356. Its totient is φ = 6330672.

The previous prime is 13013071. The next prime is 13013129. The reversal of 13013122 is 22131031.

It can be written as a sum of positive squares in 2 ways, for example, as 12524521 + 488601 = 3539^2 + 699^2 .

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 (13013129) 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, 87853 + ... + 88000.

Almost surely, 2^13013122 is an apocalyptic number.

13013122 is a deficient number, since it is larger than the sum of its proper divisors (7034234).

13013122 is a wasteful number, since it uses less digits than its factorization.

13013122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175892.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 13013122 is about 3607.3705104965. The cubic root of 13013122 is about 235.2125555370.

Adding to 13013122 its reverse (22131031), we get a palindrome (35144153).

The spelling of 13013122 in words is "thirteen million, thirteen thousand, one hundred twenty-two".