11236340 has 24 divisors (see below), whose sum is σ = 24411240. Its totient is φ = 4339328.

The previous prime is 11236331. The next prime is 11236349. The reversal of 11236340 is 4363211.

It is an interprime number because it is at equal distance from previous prime (11236331) and next prime (11236349).

It can be written as a sum of positive squares in 4 ways, for example, as 556516 + 10679824 = 746^2 + 3268^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11236349) 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, 9107 + ... + 10266.

It is an arithmetic number, because the mean of its divisors is an integer number (1017135).

Almost surely, 2^11236340 is an apocalyptic number.

11236340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11236340 is an abundant number, since it is smaller than the sum of its proper divisors (13174900).

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

11236340 is a wasteful number, since it uses less digits than its factorization.

11236340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19411 (or 19409 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 11236340 is about 3352.0650351686. The cubic root of 11236340 is about 223.9795102432.

Adding to 11236340 its reverse (4363211), we get a palindrome (15599551).

The spelling of 11236340 in words is "eleven million, two hundred thirty-six thousand, three hundred forty".