13323513 has 16 divisors (see below), whose sum is σ = 20736000. Its totient is φ = 7450896.

The previous prime is 13323481. The next prime is 13323517. The reversal of 13323513 is 31532331.

13323513 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13323513 - 2⁵ = 13323481 is a prime.

It is a super-2 number, since 2×13323513² = 355031997322338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 13323513.

It is not an unprimeable number, because it can be changed into a prime (13323517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5763 + ... + 7736.

It is an arithmetic number, because the mean of its divisors is an integer number (1296000).

Almost surely, 2^13323513 is an apocalyptic number.

It is an amenable number.

13323513 is a deficient number, since it is larger than the sum of its proper divisors (7412487).

13323513 is a wasteful number, since it uses less digits than its factorization.

13323513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13556.

The product of its digits is 810, while the sum is 21.

The square root of 13323513 is about 3650.1387644855. The cubic root of 13323513 is about 237.0679895377.

Adding to 13323513 its reverse (31532331), we get a palindrome (44855844).

The spelling of 13323513 in words is "thirteen million, three hundred twenty-three thousand, five hundred thirteen".