13165853 has 4 divisors (see below), whose sum is σ = 13217340. Its totient is φ = 13114368.

The previous prime is 13165849. The next prime is 13165861. The reversal of 13165853 is 35856131.

13165853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35856131 = 157 ⋅228383.

It can be written as a sum of positive squares in 2 ways, for example, as 8508889 + 4656964 = 2917^2 + 2158^2 .

It is a cyclic number.

It is not a de Polignac number, because 13165853 - 2² = 13165849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13165843) 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, 25358 + ... + 25871.

It is an arithmetic number, because the mean of its divisors is an integer number (3304335).

Almost surely, 2^13165853 is an apocalyptic number.

It is an amenable number.

13165853 is a deficient number, since it is larger than the sum of its proper divisors (51487).

13165853 is an equidigital number, since it uses as much as digits as its factorization.

13165853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51486.

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

The square root of 13165853 is about 3628.4780556040. The cubic root of 13165853 is about 236.1291845153.

The spelling of 13165853 in words is "thirteen million, one hundred sixty-five thousand, eight hundred fifty-three".