1330471 has 8 divisors (see below), whose sum is σ = 1432944. Its totient is φ = 1230720.

The previous prime is 1330453. The next prime is 1330487. The reversal of 1330471 is 1740331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1330471 is a prime.

It is a super-3 number, since 3×1330471³ = 7065412022850231333, which contains 333 as substring.

It is a Duffinian number.

1330471 is a lucky number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396 + ... + 1678.

It is an arithmetic number, because the mean of its divisors is an integer number (179118).

2^1330471 is an apocalyptic number.

1330471 is a deficient number, since it is larger than the sum of its proper divisors (102473).

1330471 is a wasteful number, since it uses less digits than its factorization.

1330471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 1330471 is about 1153.4604457891. The cubic root of 1330471 is about 109.9854250662.

The spelling of 1330471 in words is "one million, three hundred thirty thousand, four hundred seventy-one".