1323812072 has 16 divisors (see below), whose sum is σ = 2707797600. Its totient is φ = 601732720.

The previous prime is 1323812041. The next prime is 1323812093. The reversal of 1323812072 is 2702183231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7521572 + ... + 7521747.

It is an arithmetic number, because the mean of its divisors is an integer number (169237350).

Almost surely, 2^1323812072 is an apocalyptic number.

It is an amenable number.

1323812072 is an abundant number, since it is smaller than the sum of its proper divisors (1383985528).

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

1323812072 is a wasteful number, since it uses less digits than its factorization.

1323812072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15043336 (or 15043332 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1323812072 is about 36384.2283414119. The cubic root of 1323812072 is about 1098.0162792888.

The spelling of 1323812072 in words is "one billion, three hundred twenty-three million, eight hundred twelve thousand, seventy-two".