1297326 has 16 divisors (see below), whose sum is σ = 2605824. Its totient is φ = 430584.

The previous prime is 1297313. The next prime is 1297333. The reversal of 1297326 is 6237921.

1297326 = 568² + 569² + ... + 571².

It is a junction number, because it is equal to n+sod(n) for n = 1297293 and 1297302.

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, 2545 + ... + 3011.

It is an arithmetic number, because the mean of its divisors is an integer number (162864).

2^1297326 is an apocalyptic number.

1297326 is an abundant number, since it is smaller than the sum of its proper divisors (1308498).

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

1297326 is a wasteful number, since it uses less digits than its factorization.

1297326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935.

The product of its digits is 4536, while the sum is 30.

The square root of 1297326 is about 1139.0021949057. The cubic root of 1297326 is about 109.0644065671.

The spelling of 1297326 in words is "one million, two hundred ninety-seven thousand, three hundred twenty-six".