11205340 has 24 divisors (see below), whose sum is σ = 23596272. Its totient is φ = 4469760.

The previous prime is 11205323. The next prime is 11205349. The reversal of 11205340 is 4350211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11205349) 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, 11055 + ... + 12025.

It is an arithmetic number, because the mean of its divisors is an integer number (983178).

Almost surely, 2^11205340 is an apocalyptic number.

11205340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11205340 is an abundant number, since it is smaller than the sum of its proper divisors (12390932).

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

11205340 is a wasteful number, since it uses less digits than its factorization.

11205340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557 (or 1555 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 11205340 is about 3347.4378261590. The cubic root of 11205340 is about 223.7733410936.

Adding to 11205340 its reverse (4350211), we get a palindrome (15555551).

The spelling of 11205340 in words is "eleven million, two hundred five thousand, three hundred forty".