13677985 has 16 divisors (see below), whose sum is σ = 17345664. Its totient is φ = 10333312.

The previous prime is 13677973. The next prime is 13677991. The reversal of 13677985 is 58977631.

It is a cyclic number.

It is not a de Polignac number, because 13677985 - 2¹³ = 13669793 is a prime.

It is a Duffinian number.

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 in 15 ways as a sum of consecutive naturals, for example, 8829 + ... + 10261.

It is an arithmetic number, because the mean of its divisors is an integer number (1084104).

Almost surely, 2^13677985 is an apocalyptic number.

It is an amenable number.

13677985 is a deficient number, since it is larger than the sum of its proper divisors (3667679).

13677985 is a wasteful number, since it uses less digits than its factorization.

13677985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544.

The product of its digits is 317520, while the sum is 46.

The square root of 13677985 is about 3698.3759949470. The cubic root of 13677985 is about 239.1520131420.

The spelling of 13677985 in words is "thirteen million, six hundred seventy-seven thousand, nine hundred eighty-five".