1323382512 has 20 divisors (see below), whose sum is σ = 3418738280. Its totient is φ = 441127488.

The previous prime is 1323382477. The next prime is 1323382513. The reversal of 1323382512 is 2152833231.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323382512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323382513) 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, 13785187 + ... + 13785282.

It is an arithmetic number, because the mean of its divisors is an integer number (170936914).

Almost surely, 2^1323382512 is an apocalyptic number.

1323382512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1323382512 is an abundant number, since it is smaller than the sum of its proper divisors (2095355768).

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

1323382512 is a wasteful number, since it uses less digits than its factorization.

1323382512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27570480 (or 27570474 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 1323382512 is about 36378.3247552715. The cubic root of 1323382512 is about 1097.8975023847.

The spelling of 1323382512 in words is "one billion, three hundred twenty-three million, three hundred eighty-two thousand, five hundred twelve".