13211011 has 4 divisors (see below), whose sum is σ = 14412024. Its totient is φ = 12010000.

The previous prime is 13210937. The next prime is 13211059. The reversal of 13211011 is 11011231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13211011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13211111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600490 + ... + 600511.

It is an arithmetic number, because the mean of its divisors is an integer number (3603006).

Almost surely, 2^13211011 is an apocalyptic number.

13211011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13211011 is a deficient number, since it is larger than the sum of its proper divisors (1201013).

13211011 is a wasteful number, since it uses less digits than its factorization.

13211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201012.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 13211011 is about 3634.6954480396. The cubic root of 13211011 is about 236.3988455752.

Adding to 13211011 its reverse (11011231), we get a palindrome (24222242).

It can be divided in two parts, 1321 and 1011, that added together give a palindrome (2332).

The spelling of 13211011 in words is "thirteen million, two hundred eleven thousand, eleven".