1300389 has 8 divisors (see below), whose sum is σ = 1793760. Its totient is φ = 836976.

The previous prime is 1300367. The next prime is 1300391. The reversal of 1300389 is 9830031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1300389 - 2⁸ = 1300133 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300309) 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 7 ways as a sum of consecutive naturals, for example, 7387 + ... + 7560.

It is an arithmetic number, because the mean of its divisors is an integer number (224220).

2^1300389 is an apocalyptic number.

It is an amenable number.

1300389 is a deficient number, since it is larger than the sum of its proper divisors (493371).

1300389 is a wasteful number, since it uses less digits than its factorization.

1300389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14979.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1300389 is about 1140.3460001245. The cubic root of 1300389 is about 109.1501731649.

The spelling of 1300389 in words is "one million, three hundred thousand, three hundred eighty-nine".