1276347083 has 12 divisors (see below), whose sum is σ = 1404160800. Its totient is φ = 1159295280.

The previous prime is 1276347053. The next prime is 1276347089. The reversal of 1276347083 is 3807436721.

It is not a de Polignac number, because 1276347083 - 2⁶ = 1276347019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1276347083.

It is not an unprimeable number, because it can be changed into a prime (1276347089) 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 11 ways as a sum of consecutive naturals, for example, 156593 + ... + 164541.

It is an arithmetic number, because the mean of its divisors is an integer number (117013400).

Almost surely, 2^1276347083 is an apocalyptic number.

1276347083 is a deficient number, since it is larger than the sum of its proper divisors (127813717).

1276347083 is a wasteful number, since it uses less digits than its factorization.

1276347083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9298 (or 9287 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 1276347083 is about 35726.0000979679. Note that the first 4 decimals coincide. The cubic root of 1276347083 is about 1084.7331935440.

The spelling of 1276347083 in words is "one billion, two hundred seventy-six million, three hundred forty-seven thousand, eighty-three".