13522011 has 4 divisors (see below), whose sum is σ = 18029352. Its totient is φ = 9014672.

The previous prime is 13521979. The next prime is 13522013. The reversal of 13522011 is 11022531.

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

It is a cyclic number.

It is not a de Polignac number, because 13522011 - 2⁵ = 13521979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13522013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2253666 + ... + 2253671.

It is an arithmetic number, because the mean of its divisors is an integer number (4507338).

Almost surely, 2^13522011 is an apocalyptic number.

13522011 is a deficient number, since it is larger than the sum of its proper divisors (4507341).

13522011 is an equidigital number, since it uses as much as digits as its factorization.

13522011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4507340.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 13522011 is about 3677.2287119514. The cubic root of 13522011 is about 238.2394959891.

Adding to 13522011 its reverse (11022531), we get a palindrome (24544542).

The spelling of 13522011 in words is "thirteen million, five hundred twenty-two thousand, eleven".