1326897 has 24 divisors (see below), whose sum is σ = 2253888. Its totient is φ = 741600.

The previous prime is 1326889. The next prime is 1326917. The reversal of 1326897 is 7986231.

It is not a de Polignac number, because 1326897 - 2³ = 1326889 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 772 + ... + 1802.

It is an arithmetic number, because the mean of its divisors is an integer number (93912).

2^1326897 is an apocalyptic number.

It is an amenable number.

1326897 is a deficient number, since it is larger than the sum of its proper divisors (926991).

1326897 is a wasteful number, since it uses less digits than its factorization.

1326897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1058 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 1326897 is about 1151.9101527463. The cubic root of 1326897 is about 109.8868533536.

The spelling of 1326897 in words is "one million, three hundred twenty-six thousand, eight hundred ninety-seven".