1330664 has 16 divisors (see below), whose sum is σ = 2548800. Its totient is φ = 650992.

The previous prime is 1330649. The next prime is 1330691. The reversal of 1330664 is 4660331.

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1394 + ... + 2145.

It is an arithmetic number, because the mean of its divisors is an integer number (159300).

2^1330664 is an apocalyptic number.

It is an amenable number.

1330664 is a deficient number, since it is larger than the sum of its proper divisors (1218136).

1330664 is a wasteful number, since it uses less digits than its factorization.

1330664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3592 (or 3588 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1330664 is about 1153.5441040550. The cubic root of 1330664 is about 109.9907430227.

Adding to 1330664 its reverse (4660331), we get a palindrome (5990995).

The spelling of 1330664 in words is "one million, three hundred thirty thousand, six hundred sixty-four".