1283696896 has 18 divisors (see below), whose sum is σ = 2562379862. Its totient is φ = 641848320.

The previous prime is 1283696893. The next prime is 1283696917. The reversal of 1283696896 is 6986963821.

It can be written as a sum of positive squares in only one way, i.e., 810199296 + 473497600 = 28464^2 + 21760^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1283696896.

It is not an unprimeable number, because it can be changed into a prime (1283696893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2506965 + ... + 2507476.

Almost surely, 2^1283696896 is an apocalyptic number.

1283696896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1283696896 is a deficient number, since it is larger than the sum of its proper divisors (1278682966).

1283696896 is an frugal number, since it uses more digits than its factorization.

1283696896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5014457 (or 5014443 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 58.

The square root of 1283696896 is about 35828.7160808199. The cubic root of 1283696896 is about 1086.8113460285.

The spelling of 1283696896 in words is "one billion, two hundred eighty-three million, six hundred ninety-six thousand, eight hundred ninety-six".