1326323472 has 20 divisors (see below), whose sum is σ = 3426335760. Its totient is φ = 442107808.

The previous prime is 1326323447. The next prime is 1326323477. The reversal of 1326323472 is 2743236231.

It is not an unprimeable number, because it can be changed into a prime (1326323477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13815822 + ... + 13815917.

It is an arithmetic number, because the mean of its divisors is an integer number (171316788).

Almost surely, 2^1326323472 is an apocalyptic number.

1326323472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1326323472 is an abundant number, since it is smaller than the sum of its proper divisors (2100012288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1326323472 is a wasteful number, since it uses less digits than its factorization.

1326323472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27631750 (or 27631744 counting only the distinct ones).

The product of its digits is 36288, while the sum is 33.

The square root of 1326323472 is about 36418.7241951170. The cubic root of 1326323472 is about 1098.7101884905.

The spelling of 1326323472 in words is "one billion, three hundred twenty-six million, three hundred twenty-three thousand, four hundred seventy-two".