11243420 has 24 divisors (see below), whose sum is σ = 24058944. Its totient is φ = 4412096.

The previous prime is 11243413. The next prime is 11243423. The reversal of 11243420 is 2434211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11243423) 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, 4244 + ... + 6363.

It is an arithmetic number, because the mean of its divisors is an integer number (1002456).

Almost surely, 2^11243420 is an apocalyptic number.

11243420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11243420 is an abundant number, since it is smaller than the sum of its proper divisors (12815524).

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

11243420 is a wasteful number, since it uses less digits than its factorization.

11243420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10669 (or 10667 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 11243420 is about 3353.1209342939. The cubic root of 11243420 is about 224.0265434107.

Adding to 11243420 its reverse (2434211), we get a palindrome (13677631).

It can be divided in two parts, 1 and 1243420, that added together give a palindrome (1243421).

The spelling of 11243420 in words is "eleven million, two hundred forty-three thousand, four hundred twenty".