13328743 has 4 divisors (see below), whose sum is σ = 13354848. Its totient is φ = 13302640.

The previous prime is 13328741. The next prime is 13328761. The reversal of 13328743 is 34782331.

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 13328743 - 2¹ = 13328741 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13328741) 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, 12271 + ... + 13312.

It is an arithmetic number, because the mean of its divisors is an integer number (3338712).

Almost surely, 2^13328743 is an apocalyptic number.

13328743 is a deficient number, since it is larger than the sum of its proper divisors (26105).

13328743 is an equidigital number, since it uses as much as digits as its factorization.

13328743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26104.

The product of its digits is 12096, while the sum is 31.

The square root of 13328743 is about 3650.8551053144. The cubic root of 13328743 is about 237.0990049661.

The spelling of 13328743 in words is "thirteen million, three hundred twenty-eight thousand, seven hundred forty-three".