13683975 has 12 divisors (see below), whose sum is σ = 22624296. Its totient is φ = 7298080.

The previous prime is 13683973. The next prime is 13683977. The reversal of 13683975 is 57938631.

It is an interprime number because it is at equal distance from previous prime (13683973) and next prime (13683977).

It is not a de Polignac number, because 13683975 - 2¹ = 13683973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13683973) 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 11 ways as a sum of consecutive naturals, for example, 91152 + ... + 91301.

It is an arithmetic number, because the mean of its divisors is an integer number (1885358).

Almost surely, 2^13683975 is an apocalyptic number.

13683975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13683975 is a deficient number, since it is larger than the sum of its proper divisors (8940321).

13683975 is a wasteful number, since it uses less digits than its factorization.

13683975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182466 (or 182461 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 13683975 is about 3699.1857212095. The cubic root of 13683975 is about 239.1869186610.

The spelling of 13683975 in words is "thirteen million, six hundred eighty-three thousand, nine hundred seventy-five".