13320311 has 8 divisors (see below), whose sum is σ = 14084400. Its totient is φ = 12562560.

The previous prime is 13320301. The next prime is 13320313. The reversal of 13320311 is 11302331.

13320311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13320311 - 2⁶ = 13320247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3125 + ... + 6033.

It is an arithmetic number, because the mean of its divisors is an integer number (1760550).

Almost surely, 2^13320311 is an apocalyptic number.

13320311 is a deficient number, since it is larger than the sum of its proper divisors (764089).

13320311 is a wasteful number, since it uses less digits than its factorization.

13320311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 13320311 is about 3649.7001246678. The cubic root of 13320311 is about 237.0489967360.

Adding to 13320311 its reverse (11302331), we get a palindrome (24622642).

It can be divided in two parts, 13320 and 311, that added together give a palindrome (13631).

The spelling of 13320311 in words is "thirteen million, three hundred twenty thousand, three hundred eleven".