1323297 has 30 divisors (see below), whose sum is σ = 2162754. Its totient is φ = 803520.

The previous prime is 1323281. The next prime is 1323307. The reversal of 1323297 is 7923231.

It can be written as a sum of positive squares in only one way, i.e., 1245456 + 77841 = 1116^2 + 279^2 .

It is not a de Polignac number, because 1323297 - 2⁴ = 1323281 is a prime.

It is a super-2 number, since 2×1323297² = 3502229900418, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1323297.

It is not an unprimeable number, because it can be changed into a prime (1323247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 42672 + ... + 42702.

2^1323297 is an apocalyptic number.

1323297 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1323297 is a deficient number, since it is larger than the sum of its proper divisors (839457).

1323297 is an equidigital number, since it uses as much as digits as its factorization.

1323297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 51 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 1323297 is about 1150.3464695473. The cubic root of 1323297 is about 109.7873854540.

The spelling of 1323297 in words is "one million, three hundred twenty-three thousand, two hundred ninety-seven".