13312011 has 4 divisors (see below), whose sum is σ = 17749352. Its totient is φ = 8874672.

The previous prime is 13312001. The next prime is 13312021. The reversal of 13312011 is 11021331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11021331 = 3 ⋅3673777.

It is an interprime number because it is at equal distance from previous prime (13312001) and next prime (13312021).

It is not a de Polignac number, because 13312011 - 2¹⁴ = 13295627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13312001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2218666 + ... + 2218671.

It is an arithmetic number, because the mean of its divisors is an integer number (4437338).

Almost surely, 2^13312011 is an apocalyptic number.

13312011 is a deficient number, since it is larger than the sum of its proper divisors (4437341).

13312011 is an equidigital number, since it uses as much as digits as its factorization.

13312011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4437340.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 13312011 is about 3648.5628677604. The cubic root of 13312011 is about 236.9997507519. Note that the first 3 decimals are identical.

Adding to 13312011 its reverse (11021331), we get a palindrome (24333342).

The spelling of 13312011 in words is "thirteen million, three hundred twelve thousand, eleven".