11013040 has 80 divisors (see below), whose sum is σ = 27319680. Its totient is φ = 4121600.

The previous prime is 11013017. The next prime is 11013047. The reversal of 11013040 is 4031011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (11013047) 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, 108990 + ... + 109090.

It is an arithmetic number, because the mean of its divisors is an integer number (341496).

Almost surely, 2^11013040 is an apocalyptic number.

11013040 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 11013040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13659840).

11013040 is an abundant number, since it is smaller than the sum of its proper divisors (16306640).

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

11013040 is a wasteful number, since it uses less digits than its factorization.

11013040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 11013040 is about 3318.5900620595. The cubic root of 11013040 is about 222.4858552638.

Adding to 11013040 its reverse (4031011), we get a palindrome (15044051).

The spelling of 11013040 in words is "eleven million, thirteen thousand, forty".