1330648 has 16 divisors (see below), whose sum is σ = 2721960. Its totient is φ = 604800.

The previous prime is 1330633. The next prime is 1330649. The reversal of 1330648 is 8460331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7473 + ... + 7648.

2^1330648 is an apocalyptic number.

It is an amenable number.

1330648 is an abundant number, since it is smaller than the sum of its proper divisors (1391312).

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

1330648 is a wasteful number, since it uses less digits than its factorization.

1330648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15138 (or 15134 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1330648 is about 1153.5371688853. The cubic root of 1330648 is about 109.9903021753.

Adding to 1330648 its reverse (8460331), we get a palindrome (9790979).

The spelling of 1330648 in words is "one million, three hundred thirty thousand, six hundred forty-eight".