1329470 has 8 divisors (see below), whose sum is σ = 2393064. Its totient is φ = 531784.

The previous prime is 1329457. The next prime is 1329479. The reversal of 1329470 is 749231.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1329479) 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, 66464 + ... + 66483.

It is an arithmetic number, because the mean of its divisors is an integer number (299133).

2^1329470 is an apocalyptic number.

1329470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1329470 is a deficient number, since it is larger than the sum of its proper divisors (1063594).

1329470 is a wasteful number, since it uses less digits than its factorization.

1329470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132954.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 1329470 is about 1153.0264524286. The cubic root of 1329470 is about 109.9578350792.

The spelling of 1329470 in words is "one million, three hundred twenty-nine thousand, four hundred seventy".