11775216 has 20 divisors (see below), whose sum is σ = 30419432. Its totient is φ = 3925056.

The previous prime is 11775209. The next prime is 11775227. The reversal of 11775216 is 61257711.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122611 + ... + 122706.

Almost surely, 2^11775216 is an apocalyptic number.

11775216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11775216 is an abundant number, since it is smaller than the sum of its proper divisors (18644216).

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

11775216 is a wasteful number, since it uses less digits than its factorization.

11775216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245328 (or 245322 counting only the distinct ones).

The product of its digits is 2940, while the sum is 30.

The square root of 11775216 is about 3431.5034605840. The cubic root of 11775216 is about 227.5043093818.

The spelling of 11775216 in words is "eleven million, seven hundred seventy-five thousand, two hundred sixteen".