1323856 has 20 divisors (see below), whose sum is σ = 2594452. Its totient is φ = 654336.

The previous prime is 1323851. The next prime is 1323869. The reversal of 1323856 is 6583231.

It can be written as a sum of positive squares in 2 ways, for example, as 291600 + 1032256 = 540^2 + 1016^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323851) 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, 1126 + ... + 1978.

2^1323856 is an apocalyptic number.

1323856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1323856 is a deficient number, since it is larger than the sum of its proper divisors (1270596).

1323856 is an equidigital number, since it uses as much as digits as its factorization.

1323856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958 (or 952 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 1323856 is about 1150.5894141700. The cubic root of 1323856 is about 109.8028424297.

The spelling of 1323856 in words is "one million, three hundred twenty-three thousand, eight hundred fifty-six".