13328123 has 4 divisors (see below), whose sum is σ = 13351800. Its totient is φ = 13304448.

The previous prime is 13328089. The next prime is 13328129. The reversal of 13328123 is 32182331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32182331 = 157 ⋅204983.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13328123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13328129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10973 + ... + 12126.

It is an arithmetic number, because the mean of its divisors is an integer number (3337950).

Almost surely, 2^13328123 is an apocalyptic number.

13328123 is a deficient number, since it is larger than the sum of its proper divisors (23677).

13328123 is an equidigital number, since it uses as much as digits as its factorization.

13328123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23676.

The product of its digits is 864, while the sum is 23.

The square root of 13328123 is about 3650.7701927128. The cubic root of 13328123 is about 237.0953286088.

The spelling of 13328123 in words is "thirteen million, three hundred twenty-eight thousand, one hundred twenty-three".