10918720 has 56 divisors (see below), whose sum is σ = 26289000. Its totient is φ = 4319232.

The previous prime is 10918693. The next prime is 10918723. The reversal of 10918720 is 2781901.

It can be written as a sum of positive squares in 4 ways, for example, as 1382976 + 9535744 = 1176^2 + 3088^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10918723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47566 + ... + 47794.

Almost surely, 2^10918720 is an apocalyptic number.

10918720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10918720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13144500).

10918720 is an abundant number, since it is smaller than the sum of its proper divisors (15370280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10918720 is a wasteful number, since it uses less digits than its factorization.

10918720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 10918720 is about 3304.3486498855. The cubic root of 10918720 is about 221.8488812738.

The spelling of 10918720 in words is "ten million, nine hundred eighteen thousand, seven hundred twenty".