1300320 has 192 divisors, whose sum is σ = 5322240. Its totient is φ = 290304.

The previous prime is 1300319. The next prime is 1300333. The reversal of 1300320 is 230031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 30219 + ... + 30261.

It is an arithmetic number, because the mean of its divisors is an integer number (27720).

2^1300320 is an apocalyptic number.

1300320 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 1300320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2661120).

1300320 is an abundant number, since it is smaller than the sum of its proper divisors (4021920).

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

1300320 is a wasteful number, since it uses less digits than its factorization.

1300320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 1300320 is about 1140.3157457476. The cubic root of 1300320 is about 109.1482425900.

Adding to 1300320 its reverse (230031), we get a palindrome (1530351).

The spelling of 1300320 in words is "one million, three hundred thousand, three hundred twenty".