13673685 has 16 divisors (see below), whose sum is σ = 21969216. Its totient is φ = 7262208.

The previous prime is 13673657. The next prime is 13673687. The reversal of 13673685 is 58637631.

It is not a de Polignac number, because 13673685 - 2⁹ = 13673173 is a prime.

It is a super-2 number, since 2×13673685² = 373939322958450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13673687) 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, 2082 + ... + 5628.

It is an arithmetic number, because the mean of its divisors is an integer number (1373076).

Almost surely, 2^13673685 is an apocalyptic number.

13673685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13673685 is a deficient number, since it is larger than the sum of its proper divisors (8295531).

13673685 is a wasteful number, since it uses less digits than its factorization.

13673685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812.

The product of its digits is 90720, while the sum is 39.

The square root of 13673685 is about 3697.7946130092. The cubic root of 13673685 is about 239.1269494737.

The spelling of 13673685 in words is "thirteen million, six hundred seventy-three thousand, six hundred eighty-five".