13681755 has 12 divisors (see below), whose sum is σ = 23715120. Its totient is φ = 7296912.

The previous prime is 13681739. The next prime is 13681777. The reversal of 13681755 is 55718631.

It is not a de Polignac number, because 13681755 - 2⁴ = 13681739 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 151975 + ... + 152064.

It is an arithmetic number, because the mean of its divisors is an integer number (1976260).

Almost surely, 2^13681755 is an apocalyptic number.

13681755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13681755 is a deficient number, since it is larger than the sum of its proper divisors (10033365).

13681755 is a wasteful number, since it uses less digits than its factorization.

13681755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304050 (or 304047 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 13681755 is about 3698.8856430011. The cubic root of 13681755 is about 239.1739832462.

The spelling of 13681755 in words is "thirteen million, six hundred eighty-one thousand, seven hundred fifty-five".