13512011 has 4 divisors (see below), whose sum is σ = 13519800. Its totient is φ = 13504224.

The previous prime is 13511989. The next prime is 13512013. The reversal of 13512011 is 11021531.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13512011 - 2⁶ = 13511947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13512013) 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, 20 + ... + 5198.

It is an arithmetic number, because the mean of its divisors is an integer number (3379950).

Almost surely, 2^13512011 is an apocalyptic number.

13512011 is a deficient number, since it is larger than the sum of its proper divisors (7789).

13512011 is an equidigital number, since it uses as much as digits as its factorization.

13512011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7788.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 13512011 is about 3675.8687408557. The cubic root of 13512011 is about 238.1807526929.

Adding to 13512011 its reverse (11021531), we get a palindrome (24533542).

The spelling of 13512011 in words is "thirteen million, five hundred twelve thousand, eleven".