1299968832 has 84 divisors (see below), whose sum is σ = 3595827200. Its totient is φ = 414450432.

The previous prime is 1299968807. The next prime is 1299968867. The reversal of 1299968832 is 2388699921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95169 + ... + 107967.

Almost surely, 2^1299968832 is an apocalyptic number.

1299968832 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 1299968832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1797913600).

1299968832 is an abundant number, since it is smaller than the sum of its proper divisors (2295858368).

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

1299968832 is a wasteful number, since it uses less digits than its factorization.

1299968832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12860 (or 12827 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 57.

The square root of 1299968832 is about 36055.0805296563. The cubic root of 1299968832 is about 1091.3841608034.

The spelling of 1299968832 in words is "one billion, two hundred ninety-nine million, nine hundred sixty-eight thousand, eight hundred thirty-two".