13736644 has 6 divisors (see below), whose sum is σ = 24039134. Its totient is φ = 6868320.

The previous prime is 13736641. The next prime is 13736659. The reversal of 13736644 is 44663731.

It can be written as a sum of positive squares in only one way, i.e., 11303044 + 2433600 = 3362^2 + 1560^2 .

It is not an unprimeable number, because it can be changed into a prime (13736641) 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, 1717077 + ... + 1717084.

Almost surely, 2^13736644 is an apocalyptic number.

It is an amenable number.

13736644 is a deficient number, since it is larger than the sum of its proper divisors (10302490).

13736644 is a wasteful number, since it uses less digits than its factorization.

13736644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434165 (or 3434163 counting only the distinct ones).

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

The square root of 13736644 is about 3706.2978833332. The cubic root of 13736644 is about 239.4933989926.

The spelling of 13736644 in words is "thirteen million, seven hundred thirty-six thousand, six hundred forty-four".