1296276696 has 192 divisors, whose sum is σ = 4278193920. Its totient is φ = 362517120.

The previous prime is 1296276679. The next prime is 1296276697. The reversal of 1296276696 is 6966726921.

1296276696 is a `hidden beast` number, since 1 + 2 + 9 + 627 + 6 + 6 + 9 + 6 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296276697) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 275661 + ... + 280323.

It is an arithmetic number, because the mean of its divisors is an integer number (22282260).

Almost surely, 2^1296276696 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 1296276696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2139096960).

1296276696 is an abundant number, since it is smaller than the sum of its proper divisors (2981917224).

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

1296276696 is a wasteful number, since it uses less digits than its factorization.

1296276696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4708 (or 4692 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 1296276696 is about 36003.8427949018. The cubic root of 1296276696 is about 1090.3499412274.

The spelling of 1296276696 in words is "one billion, two hundred ninety-six million, two hundred seventy-six thousand, six hundred ninety-six".