13660706 has 8 divisors (see below), whose sum is σ = 20827164. Its totient is φ = 6718320.

The previous prime is 13660663. The next prime is 13660763. The reversal of 13660706 is 60706631.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12075625 + 1585081 = 3475^2 + 1259^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13660706² = 373229776836872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55865 + ... + 56108.

Almost surely, 2^13660706 is an apocalyptic number.

13660706 is a deficient number, since it is larger than the sum of its proper divisors (7166458).

13660706 is a wasteful number, since it uses less digits than its factorization.

13660706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112036.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 13660706 is about 3696.0392313935. The cubic root of 13660706 is about 239.0512661160.

It can be divided in two parts, 136 and 60706, that multiplied together give a triangular number (8256016 = T₄₀₆₃).

The spelling of 13660706 in words is "thirteen million, six hundred sixty thousand, seven hundred six".