13773706 has 16 divisors (see below), whose sum is σ = 22043016. Its totient is φ = 6432256.

The previous prime is 13773701. The next prime is 13773719. The reversal of 13773706 is 60737731.

It can be written as a sum of positive squares in 4 ways, for example, as 11964681 + 1809025 = 3459^2 + 1345^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (13773701) 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 7 ways as a sum of consecutive naturals, for example, 3180 + ... + 6136.

Almost surely, 2^13773706 is an apocalyptic number.

13773706 is a deficient number, since it is larger than the sum of its proper divisors (8269310).

13773706 is a wasteful number, since it uses less digits than its factorization.

13773706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3113.

The product of its (nonzero) digits is 18522, while the sum is 34.

The square root of 13773706 is about 3711.2943833655. The cubic root of 13773706 is about 239.7085930775.

The spelling of 13773706 in words is "thirteen million, seven hundred seventy-three thousand, seven hundred six".