1299182976 has 576 divisors, whose sum is σ = 5059061280. Its totient is φ = 322486272.

The previous prime is 1299182957. The next prime is 1299183019. The reversal of 1299182976 is 6792819921.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

Its product of digits (979776) is a multiple of the sum of its prime divisors (42).

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 71 ways as a sum of consecutive naturals, for example, 76422520 + ... + 76422536.

Almost surely, 2^1299182976 is an apocalyptic number.

1299182976 is a gapful number since it is divisible by the number (16) 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 1299182976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2529530640).

1299182976 is an abundant number, since it is smaller than the sum of its proper divisors (3759878304).

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

1299182976 is an frugal number, since it uses more digits than its factorization.

1299182976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75 (or 42 counting only the distinct ones).

The product of its digits is 979776, while the sum is 54.

The square root of 1299182976 is about 36044.1808895694. The cubic root of 1299182976 is about 1091.1641956129.

1299182976 divided by its product of digits (979776) gives a triangular number (1326 = T₅₁).

The spelling of 1299182976 in words is "one billion, two hundred ninety-nine million, one hundred eighty-two thousand, nine hundred seventy-six".