1330998912 has 64 divisors (see below), whose sum is σ = 3928305600. Its totient is φ = 443665152.

The previous prime is 1330998883. The next prime is 1330998917. The reversal of 1330998912 is 2198990331.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (1330998917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189108 + ... + 196019.

It is an arithmetic number, because the mean of its divisors is an integer number (61379775).

Almost surely, 2^1330998912 is an apocalyptic number.

1330998912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1330998912 is an abundant number, since it is smaller than the sum of its proper divisors (2597306688).

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

1330998912 is an equidigital number, since it uses as much as digits as its factorization.

1330998912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385150 (or 385132 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 1330998912 is about 36482.8577827999. The cubic root of 1330998912 is about 1099.9997002754. Note that the first 3 decimals are identical.

The spelling of 1330998912 in words is "one billion, three hundred thirty million, nine hundred ninety-eight thousand, nine hundred twelve".