11343220 has 24 divisors (see below), whose sum is σ = 27224064. Its totient is φ = 3889056.

The previous prime is 11343203. The next prime is 11343229. The reversal of 11343220 is 2234311.

It is a happy number.

11343220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11343194 and 11343203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11343229) 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, 40372 + ... + 40651.

It is an arithmetic number, because the mean of its divisors is an integer number (1134336).

Almost surely, 2^11343220 is an apocalyptic number.

11343220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11343220 is an abundant number, since it is smaller than the sum of its proper divisors (15880844).

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

11343220 is a wasteful number, since it uses less digits than its factorization.

11343220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81039 (or 81037 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 11343220 is about 3367.9697148282. The cubic root of 11343220 is about 224.6874343035.

Adding to 11343220 its reverse (2234311), we get a palindrome (13577531).

The spelling of 11343220 in words is "eleven million, three hundred forty-three thousand, two hundred twenty".