13855273 has 4 divisors (see below), whose sum is σ = 14022288. Its totient is φ = 13688260.

The previous prime is 13855249. The next prime is 13855297. The reversal of 13855273 is 37255831.

13855273 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (13855249) and next prime (13855297).

It is a cyclic number.

It is not a de Polignac number, because 13855273 - 2¹⁷ = 13724201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13855873) 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, 83383 + ... + 83548.

It is an arithmetic number, because the mean of its divisors is an integer number (3505572).

Almost surely, 2^13855273 is an apocalyptic number.

It is an amenable number.

13855273 is a deficient number, since it is larger than the sum of its proper divisors (167015).

13855273 is an equidigital number, since it uses as much as digits as its factorization.

13855273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167014.

The product of its digits is 25200, while the sum is 34.

The square root of 13855273 is about 3722.2671854664. The cubic root of 13855273 is about 240.1808417095.

The spelling of 13855273 in words is "thirteen million, eight hundred fifty-five thousand, two hundred seventy-three".