11012240 has 20 divisors (see below), whose sum is σ = 25603644. Its totient is φ = 4404864.

The previous prime is 11012233. The next prime is 11012249. The reversal of 11012240 is 4221011.

It can be written as a sum of positive squares in 2 ways, for example, as 4376464 + 6635776 = 2092^2 + 2576^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (11012249) 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, 68747 + ... + 68906.

Almost surely, 2^11012240 is an apocalyptic number.

11012240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012240 is an abundant number, since it is smaller than the sum of its proper divisors (14591404).

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

11012240 is a wasteful number, since it uses less digits than its factorization.

11012240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137666 (or 137660 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 11012240 is about 3318.4695267548. The cubic root of 11012240 is about 222.4804679231.

Adding to 11012240 its reverse (4221011), we get a palindrome (15233251).

The spelling of 11012240 in words is "eleven million, twelve thousand, two hundred forty".