1329073 has 2 divisors, whose sum is σ = 1329074. Its totient is φ = 1329072.

The previous prime is 1329067. The next prime is 1329091. The reversal of 1329073 is 3709231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 954529 + 374544 = 977^2 + 612^2 .

It is a cyclic number.

It is not a de Polignac number, because 1329073 - 2¹³ = 1320881 is a prime.

It is not a weakly prime, because it can be changed into another prime (1329673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664536 + 664537.

It is an arithmetic number, because the mean of its divisors is an integer number (664537).

2^1329073 is an apocalyptic number.

It is an amenable number.

1329073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1329073 is an equidigital number, since it uses as much as digits as its factorization.

1329073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 1329073 is about 1152.8542839405. The cubic root of 1329073 is about 109.9468889612.

The spelling of 1329073 in words is "one million, three hundred twenty-nine thousand, seventy-three".