1300965 has 16 divisors (see below), whose sum is σ = 2131008. Its totient is φ = 677376.

The previous prime is 1300963. The next prime is 1300967. The reversal of 1300965 is 5690031.

It is an interprime number because it is at equal distance from previous prime (1300963) and next prime (1300967).

It is not a de Polignac number, because 1300965 - 2¹ = 1300963 is a prime.

It is a Curzon number.

1300965 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300963) 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, 364 + ... + 1653.

It is an arithmetic number, because the mean of its divisors is an integer number (133188).

2^1300965 is an apocalyptic number.

1300965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1300965 is a deficient number, since it is larger than the sum of its proper divisors (830043).

1300965 is a wasteful number, since it uses less digits than its factorization.

1300965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 1300965 is about 1140.5985270901. The cubic root of 1300965 is about 109.1662866046.

Adding to 1300965 its reverse (5690031), we get a palindrome (6990996).

The spelling of 1300965 in words is "one million, three hundred thousand, nine hundred sixty-five".