1283911013 has 16 divisors (see below), whose sum is σ = 1602829824. Its totient is φ = 999131760.

The previous prime is 1283911001. The next prime is 1283911019. The reversal of 1283911013 is 3101193821.

It is not a de Polignac number, because 1283911013 - 2⁶ = 1283910949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283911019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50006 + ... + 71192.

It is an arithmetic number, because the mean of its divisors is an integer number (100176864).

Almost surely, 2^1283911013 is an apocalyptic number.

It is an amenable number.

1283911013 is a deficient number, since it is larger than the sum of its proper divisors (318918811).

1283911013 is a wasteful number, since it uses less digits than its factorization.

1283911013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21992.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1283911013 is about 35831.7040203226. The cubic root of 1283911013 is about 1086.8717683522.

The spelling of 1283911013 in words is "one billion, two hundred eighty-three million, nine hundred eleven thousand, thirteen".