1300660 has 12 divisors (see below), whose sum is σ = 2731428. Its totient is φ = 520256.

The previous prime is 1300639. The next prime is 1300669. The reversal of 1300660 is 660031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 898704 + 401956 = 948^2 + 634^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300669) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 32497 + ... + 32536.

It is an arithmetic number, because the mean of its divisors is an integer number (227619).

2^1300660 is an apocalyptic number.

1300660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300660 is an abundant number, since it is smaller than the sum of its proper divisors (1430768).

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

1300660 is a wasteful number, since it uses less digits than its factorization.

1300660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65042 (or 65040 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1300660 is about 1140.4648175196. The cubic root of 1300660 is about 109.1577549071.

Adding to 1300660 its reverse (660031), we get a palindrome (1960691).

The spelling of 1300660 in words is "one million, three hundred thousand, six hundred sixty".