13305263 has 4 divisors (see below), whose sum is σ = 14005560. Its totient is φ = 12604968.

The previous prime is 13305241. The next prime is 13305307. The reversal of 13305263 is 36250331.

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 13305263 - 2⁸ = 13305007 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 (13305223) 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, 350120 + ... + 350157.

It is an arithmetic number, because the mean of its divisors is an integer number (3501390).

Almost surely, 2^13305263 is an apocalyptic number.

13305263 is a deficient number, since it is larger than the sum of its proper divisors (700297).

13305263 is an equidigital number, since it uses as much as digits as its factorization.

13305263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700296.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 13305263 is about 3647.6380028725. The cubic root of 13305263 is about 236.9596980851.

Adding to 13305263 its reverse (36250331), we get a palindrome (49555594).

The spelling of 13305263 in words is "thirteen million, three hundred five thousand, two hundred sixty-three".