11071240 has 16 divisors (see below), whose sum is σ = 24910380. Its totient is φ = 4428480.

The previous prime is 11071231. The next prime is 11071241. The reversal of 11071240 is 4217011.

It can be written as a sum of positive squares in 2 ways, for example, as 10355524 + 715716 = 3218^2 + 846^2 .

It is not an unprimeable number, because it can be changed into a prime (11071241) 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 3 ways as a sum of consecutive naturals, for example, 138351 + ... + 138430.

Almost surely, 2^11071240 is an apocalyptic number.

11071240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11071240 is an abundant number, since it is smaller than the sum of its proper divisors (13839140).

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

11071240 is a wasteful number, since it uses less digits than its factorization.

11071240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276792 (or 276788 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 11071240 is about 3327.3472917626. The cubic root of 11071240 is about 222.8770864404.

Adding to 11071240 its reverse (4217011), we get a palindrome (15288251).

It can be divided in two parts, 11071 and 240, that added together give a palindrome (11311).

The spelling of 11071240 in words is "eleven million, seventy-one thousand, two hundred forty".