1300015 has 4 divisors (see below), whose sum is σ = 1560024. Its totient is φ = 1040008.

The previous prime is 1299989. The next prime is 1300021. The reversal of 1300015 is 5100031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1300015 - 2⁷ = 1299887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1299974 and 1300010.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 129997 + ... + 130006.

It is an arithmetic number, because the mean of its divisors is an integer number (390006).

2^1300015 is an apocalyptic number.

1300015 is a deficient number, since it is larger than the sum of its proper divisors (260009).

1300015 is an equidigital number, since it uses as much as digits as its factorization.

1300015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260008.

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 1300015 is about 1140.1820030153. The cubic root of 1300015 is about 109.1397080710.

Adding to 1300015 its reverse (5100031), we get a palindrome (6400046).

It can be divided in two parts, 13000 and 15, that multiplied together give a triangular number (195000 = T₆₂₄).

The spelling of 1300015 in words is "one million, three hundred thousand, fifteen".