1309326 has 16 divisors (see below), whose sum is σ = 2674944. Its totient is φ = 427064.

The previous prime is 1309313. The next prime is 1309333. The reversal of 1309326 is 6239031.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1309296 and 1309305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2040 + ... + 2603.

It is an arithmetic number, because the mean of its divisors is an integer number (167184).

2^1309326 is an apocalyptic number.

1309326 is an abundant number, since it is smaller than the sum of its proper divisors (1365618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1309326 is a wasteful number, since it uses less digits than its factorization.

1309326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4695.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 1309326 is about 1144.2578380767. The cubic root of 1309326 is about 109.3996495192.

The spelling of 1309326 in words is "one million, three hundred nine thousand, three hundred twenty-six".