Search a number
-
+
13112273 is a prime number
BaseRepresentation
bin110010000001…
…001111010001
3220200011122202
4302001033101
511324043043
61145012545
7216311126
oct62011721
926604582
1013112273
117446499
124484155
132941355
141a5474d
1512401b8
hexc813d1

13112273 has 2 divisors, whose sum is σ = 13112274. Its totient is φ = 13112272.

The previous prime is 13112249. The next prime is 13112329. The reversal of 13112273 is 37221131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13082689 + 29584 = 3617^2 + 172^2 .

It is a cyclic number.

It is not a de Polignac number, because 13112273 - 212 = 13108177 is a prime.

It is not a weakly prime, because it can be changed into another prime (13112233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556136 + 6556137.

It is an arithmetic number, because the mean of its divisors is an integer number (6556137).

Almost surely, 213112273 is an apocalyptic number.

It is an amenable number.

13112273 is a deficient number, since it is larger than the sum of its proper divisors (1).

13112273 is an equidigital number, since it uses as much as digits as its factorization.

13112273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252, while the sum is 20.

The square root of 13112273 is about 3621.0872676587. The cubic root of 13112273 is about 235.8084304331.

The spelling of 13112273 in words is "thirteen million, one hundred twelve thousand, two hundred seventy-three".