11126840 has 32 divisors (see below), whose sum is σ = 26509680. Its totient is φ = 4188672.

The previous prime is 11126839. The next prime is 11126887. The reversal of 11126840 is 4862111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7502 + ... + 8861.

Almost surely, 2^11126840 is an apocalyptic number.

11126840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11126840 is an abundant number, since it is smaller than the sum of its proper divisors (15382840).

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

11126840 is a wasteful number, since it uses less digits than its factorization.

11126840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16391 (or 16387 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 11126840 is about 3335.6918322891. The cubic root of 11126840 is about 223.2495614131.

Adding to 11126840 its reverse (4862111), we get a palindrome (15988951).

The spelling of 11126840 in words is "eleven million, one hundred twenty-six thousand, eight hundred forty".