1332805 has 8 divisors (see below), whose sum is σ = 1611000. Its totient is φ = 1058496.

The previous prime is 1332803. The next prime is 1332823. The reversal of 1332805 is 5082331.

It can be written as a sum of positive squares in 4 ways, for example, as 181476 + 1151329 = 426^2 + 1073^2 .

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

It is not a de Polignac number, because 1332805 - 2¹ = 1332803 is a prime.

It is a nialpdrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332803) 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, 150 + ... + 1639.

It is an arithmetic number, because the mean of its divisors is an integer number (201375).

2^1332805 is an apocalyptic number.

It is an amenable number.

1332805 is a deficient number, since it is larger than the sum of its proper divisors (278195).

1332805 is a wasteful number, since it uses less digits than its factorization.

1332805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1332805 is about 1154.4717406676. The cubic root of 1332805 is about 110.0497020573.

The spelling of 1332805 in words is "one million, three hundred thirty-two thousand, eight hundred five".