13685153 has 8 divisors (see below), whose sum is σ = 14882472. Its totient is φ = 12531456.

The previous prime is 13685141. The next prime is 13685159. The reversal of 13685153 is 35158631.

It can be written as a sum of positive squares in 4 ways, for example, as 9909904 + 3775249 = 3148^2 + 1943^2 .

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

It is not a de Polignac number, because 13685153 - 2²² = 9490849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13685159) 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, 10250 + ... + 11507.

It is an arithmetic number, because the mean of its divisors is an integer number (1860309).

Almost surely, 2^13685153 is an apocalyptic number.

It is an amenable number.

13685153 is a deficient number, since it is larger than the sum of its proper divisors (1197319).

13685153 is a wasteful number, since it uses less digits than its factorization.

13685153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21811.

The product of its digits is 10800, while the sum is 32.

The square root of 13685153 is about 3699.3449420134. The cubic root of 13685153 is about 239.1937820201.

It can be divided in two parts, 1368515 and 3, that multiplied together give a triangular number (4105545 = T₂₈₆₅).

The spelling of 13685153 in words is "thirteen million, six hundred eighty-five thousand, one hundred fifty-three".