13330522 has 4 divisors (see below), whose sum is σ = 19995786. Its totient is φ = 6665260.

The previous prime is 13330489. The next prime is 13330523. The reversal of 13330522 is 22503331.

13330522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11689561 + 1640961 = 3419^2 + 1281^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13330522.

It is not an unprimeable number, because it can be changed into a prime (13330523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3332629 + ... + 3332632.

Almost surely, 2^13330522 is an apocalyptic number.

13330522 is a deficient number, since it is larger than the sum of its proper divisors (6665264).

13330522 is an equidigital number, since it uses as much as digits as its factorization.

13330522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665263.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 13330522 is about 3651.0987387361. The cubic root of 13330522 is about 237.1095531067.

Adding to 13330522 its reverse (22503331), we get a palindrome (35833853).

The spelling of 13330522 in words is "thirteen million, three hundred thirty thousand, five hundred twenty-two".