1326801 has 32 divisors (see below), whose sum is σ = 2193408. Its totient is φ = 696960.

The previous prime is 1326797. The next prime is 1326817. The reversal of 1326801 is 1086231.

It is not a de Polignac number, because 1326801 - 2² = 1326797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326821) 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 31 ways as a sum of consecutive naturals, for example, 19770 + ... + 19836.

It is an arithmetic number, because the mean of its divisors is an integer number (68544).

2^1326801 is an apocalyptic number.

It is an amenable number.

1326801 is a deficient number, since it is larger than the sum of its proper divisors (866607).

1326801 is a wasteful number, since it uses less digits than its factorization.

1326801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1326801 is about 1151.8684820760. The cubic root of 1326801 is about 109.8842032126.

The spelling of 1326801 in words is "one million, three hundred twenty-six thousand, eight hundred one".