1300830 has 32 divisors (see below), whose sum is σ = 3155328. Its totient is φ = 343200.

The previous prime is 1300829. The next prime is 1300837. The reversal of 1300830 is 380031.

Added to its reverse (380031) it gives a triangular number (1680861 = T₁₈₃₃).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3765 + ... + 4095.

It is an arithmetic number, because the mean of its divisors is an integer number (98604).

2^1300830 is an apocalyptic number.

1300830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1300830 is an abundant number, since it is smaller than the sum of its proper divisors (1854498).

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

1300830 is a wasteful number, since it uses less digits than its factorization.

1300830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1300830 is about 1140.5393460990. The cubic root of 1300830 is about 109.1625104440.

Adding to 1300830 its reverse (380031), we get a palindrome (1680861).

The spelling of 1300830 in words is "one million, three hundred thousand, eight hundred thirty".