11243620 has 12 divisors (see below), whose sum is σ = 23611644. Its totient is φ = 4497440.

The previous prime is 11243593. The next prime is 11243621. The reversal of 11243620 is 2634211.

It can be written as a sum of positive squares in 2 ways, for example, as 5560164 + 5683456 = 2358^2 + 2384^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11243621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281071 + ... + 281110.

It is an arithmetic number, because the mean of its divisors is an integer number (1967637).

Almost surely, 2^11243620 is an apocalyptic number.

11243620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11243620 is an abundant number, since it is smaller than the sum of its proper divisors (12368024).

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

11243620 is a wasteful number, since it uses less digits than its factorization.

11243620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562190 (or 562188 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 11243620 is about 3353.1507571238. The cubic root of 11243620 is about 224.0278717444.

Adding to 11243620 its reverse (2634211), we get a palindrome (13877831).

The spelling of 11243620 in words is "eleven million, two hundred forty-three thousand, six hundred twenty".