13520011 has 2 divisors, whose sum is σ = 13520012. Its totient is φ = 13520010.

The previous prime is 13519993. The next prime is 13520047. The reversal of 13520011 is 11002531.

13520011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (11002531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13520011 - 2¹¹ = 13517963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13519973 and 13520000.

It is not a weakly prime, because it can be changed into another prime (13520071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6760005 + 6760006.

It is an arithmetic number, because the mean of its divisors is an integer number (6760006).

Almost surely, 2^13520011 is an apocalyptic number.

13520011 is a deficient number, since it is larger than the sum of its proper divisors (1).

13520011 is an equidigital number, since it uses as much as digits as its factorization.

13520011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 13520011 is about 3676.9567579725. The cubic root of 13520011 is about 238.2277496474.

Adding to 13520011 its reverse (11002531), we get a palindrome (24522542).

The spelling of 13520011 in words is "thirteen million, five hundred twenty thousand, eleven".