11775764 has 96 divisors (see below), whose sum is σ = 29465856. Its totient is φ = 3962880.

The previous prime is 11775761. The next prime is 11775767. The reversal of 11775764 is 46757711.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11775761) and next prime (11775767).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11775761) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 67982 + ... + 68154.

It is an arithmetic number, because the mean of its divisors is an integer number (306936).

Almost surely, 2^11775764 is an apocalyptic number.

11775764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11775764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14732928).

11775764 is an abundant number, since it is smaller than the sum of its proper divisors (17690092).

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

11775764 is a wasteful number, since it uses less digits than its factorization.

11775764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 223 counting only the distinct ones).

The product of its digits is 41160, while the sum is 38.

The square root of 11775764 is about 3431.5833080373. The cubic root of 11775764 is about 227.5078385578.

The spelling of 11775764 in words is "eleven million, seven hundred seventy-five thousand, seven hundred sixty-four".