13113320 has 32 divisors (see below), whose sum is σ = 32188320. Its totient is φ = 4768320.

The previous prime is 13113319. The next prime is 13113337. The reversal of 13113320 is 2331131.

It is a super-2 number, since 2×13113320² = 343918322844800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13113295 and 13113304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14462 + ... + 15341.

It is an arithmetic number, because the mean of its divisors is an integer number (1005885).

Almost surely, 2^13113320 is an apocalyptic number.

13113320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13113320 is an abundant number, since it is smaller than the sum of its proper divisors (19075000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13113320 is a wasteful number, since it uses less digits than its factorization.

13113320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29825 (or 29821 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 13113320 is about 3621.2318346110. The cubic root of 13113320 is about 235.8147066106.

Adding to 13113320 its reverse (2331131), we get a palindrome (15444451).

The spelling of 13113320 in words is "thirteen million, one hundred thirteen thousand, three hundred twenty".