1282705768 has 16 divisors (see below), whose sum is σ = 2509642080. Its totient is φ = 613467888.

The previous prime is 1282705729. The next prime is 1282705769. The reversal of 1282705768 is 8675072821.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (1282705769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3485430 + ... + 3485797.

It is an arithmetic number, because the mean of its divisors is an integer number (156852630).

Almost surely, 2^1282705768 is an apocalyptic number.

It is an amenable number.

1282705768 is a deficient number, since it is larger than the sum of its proper divisors (1226936312).

1282705768 is a wasteful number, since it uses less digits than its factorization.

1282705768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6971256 (or 6971252 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 46.

The square root of 1282705768 is about 35814.8819347489. The cubic root of 1282705768 is about 1086.5315690548.

The spelling of 1282705768 in words is "one billion, two hundred eighty-two million, seven hundred five thousand, seven hundred sixty-eight".