1329733 has 2 divisors, whose sum is σ = 1329734. Its totient is φ = 1329732.

The previous prime is 1329721. The next prime is 1329761. The reversal of 1329733 is 3379231.

1329733 is nontrivially palindromic in base 2.

It is an a-pointer prime, because the next prime (1329761) can be obtained adding 1329733 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1329409 + 324 = 1153^2 + 18^2 .

It is an emirp because it is prime and its reverse (3379231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1329733 - 2⁵ = 1329701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1329703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664866 + 664867.

It is an arithmetic number, because the mean of its divisors is an integer number (664867).

2^1329733 is an apocalyptic number.

It is an amenable number.

1329733 is a deficient number, since it is larger than the sum of its proper divisors (1).

1329733 is an equidigital number, since it uses as much as digits as its factorization.

1329733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402, while the sum is 28.

The square root of 1329733 is about 1153.1404944758. The cubic root of 1329733 is about 109.9650853378.

The spelling of 1329733 in words is "one million, three hundred twenty-nine thousand, seven hundred thirty-three".