10913863 has 4 divisors (see below), whose sum is σ = 10992520. Its totient is φ = 10835208.

The previous prime is 10913857. The next prime is 10913867. The reversal of 10913863 is 36831901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10913863 - 2²¹ = 8816711 is a prime.

It is a super-2 number, since 2×10913863² = 238224811165538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10913867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39120 + ... + 39397.

It is an arithmetic number, because the mean of its divisors is an integer number (2748130).

Almost surely, 2^10913863 is an apocalyptic number.

10913863 is a deficient number, since it is larger than the sum of its proper divisors (78657).

10913863 is an equidigital number, since it uses as much as digits as its factorization.

10913863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78656.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 10913863 is about 3303.6136275297. The cubic root of 10913863 is about 221.8159812078.

The spelling of 10913863 in words is "ten million, nine hundred thirteen thousand, eight hundred sixty-three".