13323863 has 4 divisors (see below), whose sum is σ = 15227280. Its totient is φ = 11420448.

The previous prime is 13323859. The next prime is 13323881. The reversal of 13323863 is 36832331.

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 13323863 - 2² = 13323859 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13323853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 951698 + ... + 951711.

It is an arithmetic number, because the mean of its divisors is an integer number (3806820).

Almost surely, 2^13323863 is an apocalyptic number.

13323863 is a deficient number, since it is larger than the sum of its proper divisors (1903417).

13323863 is an equidigital number, since it uses as much as digits as its factorization.

13323863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903416.

The product of its digits is 7776, while the sum is 29.

The square root of 13323863 is about 3650.1867075535. The cubic root of 13323863 is about 237.0700653934.

The spelling of 13323863 in words is "thirteen million, three hundred twenty-three thousand, eight hundred sixty-three".