13345311 has 16 divisors (see below), whose sum is σ = 20453888. Its totient is φ = 7581600.

The previous prime is 13345303. The next prime is 13345331. The reversal of 13345311 is 11354331.

It is not a de Polignac number, because 13345311 - 2³ = 13345303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13345301) 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 15 ways as a sum of consecutive naturals, for example, 2046 + ... + 5556.

It is an arithmetic number, because the mean of its divisors is an integer number (1278368).

Almost surely, 2^13345311 is an apocalyptic number.

13345311 is a deficient number, since it is larger than the sum of its proper divisors (7108577).

13345311 is a wasteful number, since it uses less digits than its factorization.

13345311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3702.

The product of its digits is 540, while the sum is 21.

The square root of 13345311 is about 3653.1234580835. The cubic root of 13345311 is about 237.1972045186.

Adding to 13345311 its reverse (11354331), we get a palindrome (24699642).

The spelling of 13345311 in words is "thirteen million, three hundred forty-five thousand, three hundred eleven".