10889813 has 8 divisors (see below), whose sum is σ = 11905536. Its totient is φ = 9878400.

The previous prime is 10889779. The next prime is 10889891. The reversal of 10889813 is 31898801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10889813 - 2¹⁶ = 10824277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10889213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6668 + ... + 8138.

It is an arithmetic number, because the mean of its divisors is an integer number (1488192).

Almost surely, 2^10889813 is an apocalyptic number.

It is an amenable number.

10889813 is a deficient number, since it is larger than the sum of its proper divisors (1015723).

10889813 is a wasteful number, since it uses less digits than its factorization.

10889813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155.

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 10889813 is about 3299.9716665450. The cubic root of 10889813 is about 221.6529287156.

It can be divided in two parts, 1088 and 9813, that added together give a palindrome (10901).

The spelling of 10889813 in words is "ten million, eight hundred eighty-nine thousand, eight hundred thirteen".