13506011 has 2 divisors, whose sum is σ = 13506012. Its totient is φ = 13506010.

The previous prime is 13506001. The next prime is 13506019. The reversal of 13506011 is 11060531.

It is a strong prime.

It is an emirp because it is prime and its reverse (11060531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13506011 - 2²² = 9311707 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13506019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6753005 + 6753006.

It is an arithmetic number, because the mean of its divisors is an integer number (6753006).

Almost surely, 2^13506011 is an apocalyptic number.

13506011 is a deficient number, since it is larger than the sum of its proper divisors (1).

13506011 is an equidigital number, since it uses as much as digits as its factorization.

13506011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 13506011 is about 3675.0525166316. The cubic root of 13506011 is about 238.1454928022.

Adding to 13506011 its reverse (11060531), we get a palindrome (24566542).

The spelling of 13506011 in words is "thirteen million, five hundred six thousand, eleven".