13736666 has 12 divisors (see below), whose sum is σ = 20877162. Its totient is φ = 6778776.

The previous prime is 13736659. The next prime is 13736687. The reversal of 13736666 is 66663731.

It can be written as a sum of positive squares in only one way, i.e., 9431041 + 4305625 = 3071^2 + 2075^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 13280 + ... + 14276.

Almost surely, 2^13736666 is an apocalyptic number.

13736666 is a deficient number, since it is larger than the sum of its proper divisors (7140496).

13736666 is an frugal number, since it uses more digits than its factorization.

13736666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165 (or 1082 counting only the distinct ones).

The product of its digits is 81648, while the sum is 38.

The square root of 13736666 is about 3706.3008512532. The cubic root of 13736666 is about 239.4935268465.

The spelling of 13736666 in words is "thirteen million, seven hundred thirty-six thousand, six hundred sixty-six".