13371320 has 32 divisors (see below), whose sum is σ = 31125600. Its totient is φ = 5163648.

The previous prime is 13371313. The next prime is 13371329. The reversal of 13371320 is 2317331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13371292 and 13371301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13371329) by changing a digit.

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, 4604 + ... + 6923.

It is an arithmetic number, because the mean of its divisors is an integer number (972675).

Almost surely, 2^13371320 is an apocalyptic number.

13371320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13371320 is an abundant number, since it is smaller than the sum of its proper divisors (17754280).

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

13371320 is a wasteful number, since it uses less digits than its factorization.

13371320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11567 (or 11563 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 13371320 is about 3656.6815557278. The cubic root of 13371320 is about 237.3511976481.

Adding to 13371320 its reverse (2317331), we get a palindrome (15688651).

The spelling of 13371320 in words is "thirteen million, three hundred seventy-one thousand, three hundred twenty".