13653857 has 8 divisors (see below), whose sum is σ = 16108032. Its totient is φ = 11325600.

The previous prime is 13653811. The next prime is 13653859. The reversal of 13653857 is 75835631.

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 13653857 - 2¹⁰ = 13652833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13653857.

It is not an unprimeable number, because it can be changed into a prime (13653859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31244 + ... + 31677.

It is an arithmetic number, because the mean of its divisors is an integer number (2013504).

Almost surely, 2^13653857 is an apocalyptic number.

It is an amenable number.

13653857 is a deficient number, since it is larger than the sum of its proper divisors (2454175).

13653857 is an equidigital number, since it uses as much as digits as its factorization.

13653857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62959.

The product of its digits is 75600, while the sum is 38.

The square root of 13653857 is about 3695.1125828586. The cubic root of 13653857 is about 239.0113087907.

The spelling of 13653857 in words is "thirteen million, six hundred fifty-three thousand, eight hundred fifty-seven".