1326913896 has 128 divisors (see below), whose sum is σ = 4159733760. Its totient is φ = 342662400.

The previous prime is 1326913871. The next prime is 1326913897. The reversal of 1326913896 is 6983196231.

It is not an unprimeable number, because it can be changed into a prime (1326913897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 332505 + ... + 336471.

It is an arithmetic number, because the mean of its divisors is an integer number (32497920).

Almost surely, 2^1326913896 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 1326913896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2079866880).

1326913896 is an abundant number, since it is smaller than the sum of its proper divisors (2832819864).

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

1326913896 is a wasteful number, since it uses less digits than its factorization.

1326913896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4175 (or 4171 counting only the distinct ones).

The product of its digits is 419904, while the sum is 48.

The square root of 1326913896 is about 36426.8293432190. The cubic root of 1326913896 is about 1098.8731976515.

The spelling of 1326913896 in words is "one billion, three hundred twenty-six million, nine hundred thirteen thousand, eight hundred ninety-six".