13743646 has 16 divisors (see below), whose sum is σ = 24062976. Its totient is φ = 5764536.

The previous prime is 13743641. The next prime is 13743661. The reversal of 13743646 is 64634731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13743641) 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 7 ways as a sum of consecutive naturals, for example, 9786 + ... + 11101.

It is an arithmetic number, because the mean of its divisors is an integer number (1503936).

Almost surely, 2^13743646 is an apocalyptic number.

13743646 is a deficient number, since it is larger than the sum of its proper divisors (10319330).

13743646 is a wasteful number, since it uses less digits than its factorization.

13743646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20943.

The product of its digits is 36288, while the sum is 34.

The square root of 13743646 is about 3707.2423713591. The cubic root of 13743646 is about 239.5340845228.

The spelling of 13743646 in words is "thirteen million, seven hundred forty-three thousand, six hundred forty-six".