13685270 has 8 divisors (see below), whose sum is σ = 24633504. Its totient is φ = 5474104.

The previous prime is 13685257. The next prime is 13685279. The reversal of 13685270 is 7258631.

It is a happy number.

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

It is a super-2 number, since 2×13685270² = 374573229945800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13685279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684254 + ... + 684273.

It is an arithmetic number, because the mean of its divisors is an integer number (3079188).

Almost surely, 2^13685270 is an apocalyptic number.

13685270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13685270 is a deficient number, since it is larger than the sum of its proper divisors (10948234).

13685270 is a wasteful number, since it uses less digits than its factorization.

13685270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368534.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 13685270 is about 3699.3607555901. The cubic root of 13685270 is about 239.1944636735.

The spelling of 13685270 in words is "thirteen million, six hundred eighty-five thousand, two hundred seventy".