328713012 has 48 divisors (see below), whose sum is σ = 856004800. Its totient is φ = 109084320.

The previous prime is 328713001. The next prime is 328713043. The reversal of 328713012 is 210317823.

It is a super-2 number, since 2×328713012² = 216104488516224288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18087 + ... + 31377.

Almost surely, 2^328713012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328713012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428002400).

328713012 is an abundant number, since it is smaller than the sum of its proper divisors (527291788).

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

328713012 is a wasteful number, since it uses less digits than its factorization.

328713012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13533 (or 13525 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 328713012 is about 18130.4443409421. Note that the first 3 decimals coincide. The cubic root of 328713012 is about 690.1428059808.

The spelling of 328713012 in words is "three hundred twenty-eight million, seven hundred thirteen thousand, twelve".