13773764 has 6 divisors (see below), whose sum is σ = 24104094. Its totient is φ = 6886880.

The previous prime is 13773763. The next prime is 13773769. The reversal of 13773764 is 46737731.

It can be written as a sum of positive squares in only one way, i.e., 10562500 + 3211264 = 3250^2 + 1792^2 .

It is a super-3 number, since 3×13773764³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13773763) 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 as a sum of consecutive naturals, namely, 1721717 + ... + 1721724.

It is an arithmetic number, because the mean of its divisors is an integer number (4017349).

Almost surely, 2^13773764 is an apocalyptic number.

It is an amenable number.

13773764 is a deficient number, since it is larger than the sum of its proper divisors (10330330).

13773764 is a wasteful number, since it uses less digits than its factorization.

13773764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443445 (or 3443443 counting only the distinct ones).

The product of its digits is 74088, while the sum is 38.

The square root of 13773764 is about 3711.3021973426. The cubic root of 13773764 is about 239.7089295417.

The spelling of 13773764 in words is "thirteen million, seven hundred seventy-three thousand, seven hundred sixty-four".