13323613 has 4 divisors (see below), whose sum is σ = 13337568. Its totient is φ = 13309660.

The previous prime is 13323577. The next prime is 13323641. The reversal of 13323613 is 31632331.

13323613 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31632331 = 257 ⋅123083.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13323613 is a prime.

It is a Smith number, since the sum of its digits (22) 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 (13323643) 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, 5431 + ... + 7492.

It is an arithmetic number, because the mean of its divisors is an integer number (3334392).

Almost surely, 2^13323613 is an apocalyptic number.

It is an amenable number.

13323613 is a deficient number, since it is larger than the sum of its proper divisors (13955).

13323613 is a wasteful number, since it uses less digits than its factorization.

13323613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13954.

The product of its digits is 972, while the sum is 22.

The square root of 13323613 is about 3650.1524625692. The cubic root of 13323613 is about 237.0685826431.

Adding to 13323613 its reverse (31632331), we get a palindrome (44955944).

The spelling of 13323613 in words is "thirteen million, three hundred twenty-three thousand, six hundred thirteen".