1329326 has 4 divisors (see below), whose sum is σ = 1993992. Its totient is φ = 664662.

The previous prime is 1329313. The next prime is 1329337. The reversal of 1329326 is 6239231.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1329326² = 3534215228552, which contains 22 as substring.

It is a d-powerful number, because it can be written as 1 + 3 + 2¹⁹ + 9² + 3⁶ + 2¹⁹ + 6⁷ .

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1329295 and 1329304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332330 + ... + 332333.

It is an arithmetic number, because the mean of its divisors is an integer number (498498).

2^1329326 is an apocalyptic number.

1329326 is a deficient number, since it is larger than the sum of its proper divisors (664666).

1329326 is an equidigital number, since it uses as much as digits as its factorization.

1329326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664665.

The product of its digits is 1944, while the sum is 26.

The square root of 1329326 is about 1152.9640063766. The cubic root of 1329326 is about 109.9538649507.

The spelling of 1329326 in words is "one million, three hundred twenty-nine thousand, three hundred twenty-six".