13007522 has 16 divisors (see below), whose sum is σ = 21347712. Its totient is φ = 5895120.

The previous prime is 13007521. The next prime is 13007539. The reversal of 13007522 is 22570031.

13007522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13007494 and 13007503.

It is not an unprimeable number, because it can be changed into a prime (13007521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9548 + ... + 10824.

It is an arithmetic number, because the mean of its divisors is an integer number (1334232).

Almost surely, 2^13007522 is an apocalyptic number.

13007522 is a deficient number, since it is larger than the sum of its proper divisors (8340190).

13007522 is a wasteful number, since it uses less digits than its factorization.

13007522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 13007522 is about 3606.5942383362. The cubic root of 13007522 is about 235.1788106422.

Adding to 13007522 its reverse (22570031), we get a palindrome (35577553).

The spelling of 13007522 in words is "thirteen million, seven thousand, five hundred twenty-two".