11203240 has 32 divisors (see below), whose sum is σ = 25308000. Its totient is φ = 4463424.

The previous prime is 11203219. The next prime is 11203243. The reversal of 11203240 is 4230211.

11203240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11203240.

It is not an unprimeable number, because it can be changed into a prime (11203243) 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, 14791 + ... + 15529.

It is an arithmetic number, because the mean of its divisors is an integer number (790875).

Almost surely, 2^11203240 is an apocalyptic number.

11203240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11203240 is an abundant number, since it is smaller than the sum of its proper divisors (14104760).

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

11203240 is a wasteful number, since it uses less digits than its factorization.

11203240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129 (or 1125 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 11203240 is about 3347.1241387197. The cubic root of 11203240 is about 223.7593610515.

Adding to 11203240 its reverse (4230211), we get a palindrome (15433451).

The spelling of 11203240 in words is "eleven million, two hundred three thousand, two hundred forty".