Search a number
-
+
12855853 = 49126183
BaseRepresentation
bin110001000010…
…101000101101
3220012010220201
4301002220231
511242341403
61135313501
7214162423
oct61025055
926163821
1012855853
11729087a
12437b891
13288171a
1419c9113
1511de21d
hexc42a2d

12855853 has 4 divisors (see below), whose sum is σ = 12882528. Its totient is φ = 12829180.

The previous prime is 12855851. The next prime is 12855877. The reversal of 12855853 is 35855821.

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 a cyclic number.

It is not a de Polignac number, because 12855853 - 21 = 12855851 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12855851) 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, 12601 + ... + 13582.

It is an arithmetic number, because the mean of its divisors is an integer number (3220632).

Almost surely, 212855853 is an apocalyptic number.

It is an amenable number.

12855853 is a deficient number, since it is larger than the sum of its proper divisors (26675).

12855853 is an equidigital number, since it uses as much as digits as its factorization.

12855853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26674.

The product of its digits is 48000, while the sum is 37.

The square root of 12855853 is about 3585.5059615067. The cubic root of 12855853 is about 234.2611652948.

The spelling of 12855853 in words is "twelve million, eight hundred fifty-five thousand, eight hundred fifty-three".

Divisors: 1 491 26183 12855853