13775764 has 12 divisors (see below), whose sum is σ = 24196564. Its totient is φ = 6862464.

The previous prime is 13775753. The next prime is 13775767. The reversal of 13775764 is 46757731.

It can be written as a sum of positive squares in 2 ways, for example, as 2079364 + 11696400 = 1442^2 + 3420^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13775767) 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, 5109 + ... + 7324.

Almost surely, 2^13775764 is an apocalyptic number.

It is an amenable number.

13775764 is a deficient number, since it is larger than the sum of its proper divisors (10420800).

13775764 is a wasteful number, since it uses less digits than its factorization.

13775764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12714 (or 12712 counting only the distinct ones).

The product of its digits is 123480, while the sum is 40.

The square root of 13775764 is about 3711.5716347661. The cubic root of 13775764 is about 239.7205311794.

The spelling of 13775764 in words is "thirteen million, seven hundred seventy-five thousand, seven hundred sixty-four".