13481685 has 48 divisors (see below), whose sum is σ = 26996736. Its totient is φ = 6096384.

The previous prime is 13481681. The next prime is 13481687. The reversal of 13481685 is 58618431.

13481685 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13481685 - 2² = 13481681 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13481681) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39837 + ... + 40173.

It is an arithmetic number, because the mean of its divisors is an integer number (562432).

Almost surely, 2^13481685 is an apocalyptic number.

13481685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13481685 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

13481685 is a wasteful number, since it uses less digits than its factorization.

13481685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 479 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 13481685 is about 3671.7414124636. The cubic root of 13481685 is about 238.0024303591.

The spelling of 13481685 in words is "thirteen million, four hundred eighty-one thousand, six hundred eighty-five".