1283776713 has 12 divisors (see below), whose sum is σ = 1855088820. Its totient is φ = 855507456.

The previous prime is 1283776649. The next prime is 1283776729. The reversal of 1283776713 is 3176773821.

It can be written as a sum of positive squares in 2 ways, for example, as 372219849 + 911556864 = 19293^2 + 30192^2 .

It is not a de Polignac number, because 1283776713 - 2⁶ = 1283776649 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1283776733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3856 + ... + 50817.

It is an arithmetic number, because the mean of its divisors is an integer number (154590735).

Almost surely, 2^1283776713 is an apocalyptic number.

It is an amenable number.

1283776713 is a deficient number, since it is larger than the sum of its proper divisors (571312107).

1283776713 is a wasteful number, since it uses less digits than its factorization.

1283776713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57288 (or 57285 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 1283776713 is about 35829.8299326134. The cubic root of 1283776713 is about 1086.8338706145.

The spelling of 1283776713 in words is "one billion, two hundred eighty-three million, seven hundred seventy-six thousand, seven hundred thirteen".