1326983472 has 100 divisors (see below), whose sum is σ = 3913343280. Its totient is φ = 433959552.

The previous prime is 1326983453. The next prime is 1326983509. The reversal of 1326983472 is 2743896231.

It is a super-2 number, since 2×1326983472² = 3521770269922349568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59029 + ... + 78347.

Almost surely, 2^1326983472 is an apocalyptic number.

1326983472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1326983472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1956671640).

1326983472 is an abundant number, since it is smaller than the sum of its proper divisors (2586359808).

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

1326983472 is a wasteful number, since it uses less digits than its factorization.

1326983472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19392 (or 19377 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 1326983472 is about 36427.7843410768. The cubic root of 1326983472 is about 1098.8924035863.

The spelling of 1326983472 in words is "one billion, three hundred twenty-six million, nine hundred eighty-three thousand, four hundred seventy-two".