1330671 has 8 divisors (see below), whose sum is σ = 1807920. Its totient is φ = 870272.

The previous prime is 1330649. The next prime is 1330691. The reversal of 1330671 is 1760331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1330671 - 2¹⁹ = 806383 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330601) 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 7 ways as a sum of consecutive naturals, for example, 4026 + ... + 4343.

It is an arithmetic number, because the mean of its divisors is an integer number (225990).

2^1330671 is an apocalyptic number.

1330671 is a deficient number, since it is larger than the sum of its proper divisors (477249).

1330671 is an equidigital number, since it uses as much as digits as its factorization.

1330671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8425.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 1330671 is about 1153.5471381786. The cubic root of 1330671 is about 109.9909358922.

The spelling of 1330671 in words is "one million, three hundred thirty thousand, six hundred seventy-one".