13769685 has 24 divisors (see below), whose sum is σ = 24031800. Its totient is φ = 7293312.

The previous prime is 13769671. The next prime is 13769687. The reversal of 13769685 is 58696731.

It is a happy number.

13769685 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1887876 + 11881809 = 1374^2 + 3447^2 .

It is not a de Polignac number, because 13769685 - 2⁸ = 13769429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 13769685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13769687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6091 + ... + 8039.

It is an arithmetic number, because the mean of its divisors is an integer number (1001325).

Almost surely, 2^13769685 is an apocalyptic number.

13769685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13769685 is a deficient number, since it is larger than the sum of its proper divisors (10262115).

13769685 is a wasteful number, since it uses less digits than its factorization.

13769685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117 (or 2114 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 13769685 is about 3710.7526190788. The cubic root of 13769685 is about 239.6852645203.

The spelling of 13769685 in words is "thirteen million, seven hundred sixty-nine thousand, six hundred eighty-five".