13676661 has 16 divisors (see below), whose sum is σ = 20961600. Its totient is φ = 8802864.

The previous prime is 13676647. The next prime is 13676669. The reversal of 13676661 is 16667631.

It is not a de Polignac number, because 13676661 - 2⁵ = 13676629 is a prime.

It is a super-2 number, since 2×13676661² = 374102112217842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13676669) 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 in 15 ways as a sum of consecutive naturals, for example, 7951 + ... + 9516.

It is an arithmetic number, because the mean of its divisors is an integer number (1310100).

Almost surely, 2^13676661 is an apocalyptic number.

It is an amenable number.

13676661 is a deficient number, since it is larger than the sum of its proper divisors (7284939).

13676661 is a wasteful number, since it uses less digits than its factorization.

13676661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17505 (or 17499 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 13676661 is about 3698.1969931306. The cubic root of 13676661 is about 239.1442964234.

The spelling of 13676661 in words is "thirteen million, six hundred seventy-six thousand, six hundred sixty-one".