13704644 has 6 divisors (see below), whose sum is σ = 23983134. Its totient is φ = 6852320.

The previous prime is 13704641. The next prime is 13704653. The reversal of 13704644 is 44640731.

It can be written as a sum of positive squares in only one way, i.e., 10048900 + 3655744 = 3170^2 + 1912^2 .

It is not an unprimeable number, because it can be changed into a prime (13704641) 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, 1713077 + ... + 1713084.

It is an arithmetic number, because the mean of its divisors is an integer number (3997189).

Almost surely, 2^13704644 is an apocalyptic number.

It is an amenable number.

13704644 is a deficient number, since it is larger than the sum of its proper divisors (10278490).

13704644 is a wasteful number, since it uses less digits than its factorization.

13704644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3426165 (or 3426163 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 13704644 is about 3701.9783899964. The cubic root of 13704644 is about 239.3072849387.

The spelling of 13704644 in words is "thirteen million, seven hundred four thousand, six hundred forty-four".