1283991714 has 24 divisors (see below), whose sum is σ = 2784987660. Its totient is φ = 427534848.

The previous prime is 1283991647. The next prime is 1283991719. The reversal of 1283991714 is 4171993821.

It can be written as a sum of positive squares in 2 ways, for example, as 1282857489 + 1134225 = 35817^2 + 1065^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1283991714.

It is not an unprimeable number, because it can be changed into a prime (1283991719) 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, 21199 + ... + 54930.

Almost surely, 2^1283991714 is an apocalyptic number.

1283991714 is an abundant number, since it is smaller than the sum of its proper divisors (1500995946).

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

1283991714 is a wasteful number, since it uses less digits than its factorization.

1283991714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77074 (or 77071 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 1283991714 is about 35832.8301142960. The cubic root of 1283991714 is about 1086.8945398683.

The spelling of 1283991714 in words is "one billion, two hundred eighty-three million, nine hundred ninety-one thousand, seven hundred fourteen".