11630240 has 24 divisors (see below), whose sum is σ = 27476820. Its totient is φ = 4652032.

The previous prime is 11630237. The next prime is 11630243. The reversal of 11630240 is 4203611.

It is an interprime number because it is at equal distance from previous prime (11630237) and next prime (11630243).

It can be written as a sum of positive squares in 2 ways, for example, as 10523536 + 1106704 = 3244^2 + 1052^2 .

It is not an unprimeable number, because it can be changed into a prime (11630243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36185 + ... + 36504.

Almost surely, 2^11630240 is an apocalyptic number.

11630240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11630240 is an abundant number, since it is smaller than the sum of its proper divisors (15846580).

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

11630240 is an equidigital number, since it uses as much as digits as its factorization.

11630240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72704 (or 72696 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 11630240 is about 3410.3137685556. The cubic root of 11630240 is about 226.5667764393.

Adding to 11630240 its reverse (4203611), we get a palindrome (15833851).

The spelling of 11630240 in words is "eleven million, six hundred thirty thousand, two hundred forty".