Search a number
-
+
12873086 = 26436543
BaseRepresentation
bin110001000110…
…110101111110
3220020000112222
4301012311332
511243414321
61135525342
7214263602
oct61066576
926200488
1012873086
1172a2816
124389852
132889515
1419d1502
1511e43ab
hexc46d7e

12873086 has 4 divisors (see below), whose sum is σ = 19309632. Its totient is φ = 6436542.

The previous prime is 12873083. The next prime is 12873149. The reversal of 12873086 is 68037821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68037821 = 169740093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12873083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3218270 + ... + 3218273.

It is an arithmetic number, because the mean of its divisors is an integer number (4827408).

Almost surely, 212873086 is an apocalyptic number.

12873086 is a deficient number, since it is larger than the sum of its proper divisors (6436546).

12873086 is an equidigital number, since it uses as much as digits as its factorization.

12873086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6436545.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 12873086 is about 3587.9083042910. The cubic root of 12873086 is about 234.3657926101.

The spelling of 12873086 in words is "twelve million, eight hundred seventy-three thousand, eighty-six".

Divisors: 1 2 6436543 12873086