13013311 has 4 divisors (see below), whose sum is σ = 13068000. Its totient is φ = 12958624.

The previous prime is 13013303. The next prime is 13013317. The reversal of 13013311 is 11331031.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13013311 - 2³ = 13013303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13013291 and 13013300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013317) 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, 26986 + ... + 27463.

It is an arithmetic number, because the mean of its divisors is an integer number (3267000).

Almost surely, 2^13013311 is an apocalyptic number.

13013311 is a deficient number, since it is larger than the sum of its proper divisors (54689).

13013311 is an equidigital number, since it uses as much as digits as its factorization.

13013311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54688.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 13013311 is about 3607.3967067679. The cubic root of 13013311 is about 235.2136942583.

Adding to 13013311 its reverse (11331031), we get a palindrome (24344342).

The spelling of 13013311 in words is "thirteen million, thirteen thousand, three hundred eleven".