1326803 has 4 divisors (see below), whose sum is σ = 1329120. Its totient is φ = 1324488.

The previous prime is 1326797. The next prime is 1326817. The reversal of 1326803 is 3086231.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1326803 - 2⁶ = 1326739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1326823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401 + ... + 1677.

It is an arithmetic number, because the mean of its divisors is an integer number (332280).

2^1326803 is an apocalyptic number.

1326803 is a deficient number, since it is larger than the sum of its proper divisors (2317).

1326803 is a wasteful number, since it uses less digits than its factorization.

1326803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1326803 is about 1151.8693502303. The cubic root of 1326803 is about 109.8842584252.

The spelling of 1326803 in words is "one million, three hundred twenty-six thousand, eight hundred three".