11785240 has 32 divisors (see below), whose sum is σ = 27236880. Its totient is φ = 4586112.

The previous prime is 11785237. The next prime is 11785243. The reversal of 11785240 is 4258711.

It is an interprime number because it is at equal distance from previous prime (11785237) and next prime (11785243).

It is a junction number, because it is equal to n+sod(n) for n = 11785199 and 11785208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11785243) 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 7 ways as a sum of consecutive naturals, for example, 2502 + ... + 5461.

Almost surely, 2^11785240 is an apocalyptic number.

11785240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11785240 is an abundant number, since it is smaller than the sum of its proper divisors (15451640).

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

11785240 is a wasteful number, since it uses less digits than its factorization.

11785240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8011 (or 8007 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 11785240 is about 3432.9637341516. The cubic root of 11785240 is about 227.5688476569.

The spelling of 11785240 in words is "eleven million, seven hundred eighty-five thousand, two hundred forty".