13685269 has 8 divisors (see below), whose sum is σ = 14805560. Its totient is φ = 12574656.

The previous prime is 13685257. The next prime is 13685279. The reversal of 13685269 is 96258631.

It can be written as a sum of positive squares in 4 ways, for example, as 544644 + 13140625 = 738^2 + 3625^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13685269 - 2⁷ = 13685141 is a prime.

It is a super-2 number, since 2×13685269² = 374573175204722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13685209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679 + ... + 5275.

It is an arithmetic number, because the mean of its divisors is an integer number (1850695).

Almost surely, 2^13685269 is an apocalyptic number.

It is an amenable number.

13685269 is a deficient number, since it is larger than the sum of its proper divisors (1120291).

13685269 is a wasteful number, since it uses less digits than its factorization.

13685269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4839.

The product of its digits is 77760, while the sum is 40.

The square root of 13685269 is about 3699.3606204316. The cubic root of 13685269 is about 239.1944578475.

The spelling of 13685269 in words is "thirteen million, six hundred eighty-five thousand, two hundred sixty-nine".