13746664 has 8 divisors (see below), whose sum is σ = 25775010. Its totient is φ = 6873328.

The previous prime is 13746653. The next prime is 13746731. The reversal of 13746664 is 46664731.

It can be written as a sum of positive squares in only one way, i.e., 11902500 + 1844164 = 3450^2 + 1358^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×13746664² = 377941542257792, which contains 22 as substring.

It is an unprimeable number.

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, 859159 + ... + 859174.

Almost surely, 2^13746664 is an apocalyptic number.

It is an amenable number.

13746664 is a deficient number, since it is larger than the sum of its proper divisors (12028346).

13746664 is a wasteful number, since it uses less digits than its factorization.

13746664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718339 (or 1718335 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 13746664 is about 3707.6493901123. The cubic root of 13746664 is about 239.5516165265.

The spelling of 13746664 in words is "thirteen million, seven hundred forty-six thousand, six hundred sixty-four".