13253522 has 8 divisors (see below), whose sum is σ = 20565900. Its totient is φ = 6398224.

The previous prime is 13253521. The next prime is 13253533. The reversal of 13253522 is 22535231.

13253522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11296321 + 1957201 = 3361^2 + 1399^2 .

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 (13253521) 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, 114197 + ... + 114312.

Almost surely, 2^13253522 is an apocalyptic number.

13253522 is a deficient number, since it is larger than the sum of its proper divisors (7312378).

13253522 is a wasteful number, since it uses less digits than its factorization.

13253522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228540.

The product of its digits is 1800, while the sum is 23.

The square root of 13253522 is about 3640.5386964019. The cubic root of 13253522 is about 236.6521391158.

Adding to 13253522 its reverse (22535231), we get a palindrome (35788753).

It can be divided in two parts, 1 and 3253522, that added together give a palindrome (3253523).

The spelling of 13253522 in words is "thirteen million, two hundred fifty-three thousand, five hundred twenty-two".