13102320 has 160 divisors (see below), whose sum is σ = 50711040. Its totient is φ = 2718720.

The previous prime is 13102303. The next prime is 13102333. The reversal of 13102320 is 2320131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 13102296 and 13102305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18126 + ... + 18834.

It is an arithmetic number, because the mean of its divisors is an integer number (316944).

Almost surely, 2^13102320 is an apocalyptic number.

13102320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13102320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25355520).

13102320 is an abundant number, since it is smaller than the sum of its proper divisors (37608720).

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

13102320 is a wasteful number, since it uses less digits than its factorization.

13102320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743 (or 737 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 13102320 is about 3619.7126957813. The cubic root of 13102320 is about 235.7487510931.

Adding to 13102320 its reverse (2320131), we get a palindrome (15422451).

The spelling of 13102320 in words is "thirteen million, one hundred two thousand, three hundred twenty".