1063260813 has 16 divisors (see below), whose sum is σ = 1481965056. Its totient is φ = 676808880.

The previous prime is 1063260799. The next prime is 1063260817. The reversal of 1063260813 is 3180623601.

It is not a de Polignac number, because 1063260813 - 2⁴ = 1063260797 is a prime.

It is a super-2 number, since 2×1063260813² = 2261047112922841938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063260817) 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, 25906 + ... + 52892.

It is an arithmetic number, because the mean of its divisors is an integer number (92622816).

Almost surely, 2^1063260813 is an apocalyptic number.

It is an amenable number.

1063260813 is a deficient number, since it is larger than the sum of its proper divisors (418704243).

1063260813 is a wasteful number, since it uses less digits than its factorization.

1063260813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27584.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1063260813 is about 32607.6802762785. The cubic root of 1063260813 is about 1020.6572762908.

The spelling of 1063260813 in words is "one billion, sixty-three million, two hundred sixty thousand, eight hundred thirteen".