11913764 has 12 divisors (see below), whose sum is σ = 21242844. Its totient is φ = 5844384.

The previous prime is 11913757. The next prime is 11913767. The reversal of 11913764 is 46731911.

It can be written as a sum of positive squares in 2 ways, for example, as 3211264 + 8702500 = 1792^2 + 2950^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11913764.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11913767) 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, 27887 + ... + 28310.

It is an arithmetic number, because the mean of its divisors is an integer number (1770237).

Almost surely, 2^11913764 is an apocalyptic number.

It is an amenable number.

11913764 is a deficient number, since it is larger than the sum of its proper divisors (9329080).

11913764 is a wasteful number, since it uses less digits than its factorization.

11913764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56254 (or 56252 counting only the distinct ones).

The product of its digits is 4536, while the sum is 32.

The square root of 11913764 is about 3451.6320777279. The cubic root of 11913764 is about 228.3931096566.

The spelling of 11913764 in words is "eleven million, nine hundred thirteen thousand, seven hundred sixty-four".