1330650 has 36 divisors (see below), whose sum is σ = 3576222. Its totient is φ = 354720.

The previous prime is 1330649. The next prime is 1330691. The reversal of 1330650 is 560331.

1330650 is a `hidden beast` number, since 13 + 3 + 0 + 650 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 772641 + 558009 = 879^2 + 747^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 13.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 1029 + ... + 1928.

2^1330650 is an apocalyptic number.

1330650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1330650 is an abundant number, since it is smaller than the sum of its proper divisors (2245572).

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

1330650 is a wasteful number, since it uses less digits than its factorization.

1330650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975 (or 2967 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 1330650 is about 1153.5380357838. The cubic root of 1330650 is about 109.9903572815.

Adding to 1330650 its reverse (560331), we get a palindrome (1890981).

The spelling of 1330650 in words is "one million, three hundred thirty thousand, six hundred fifty".