Search a number
-
+
12481193 is a prime number
BaseRepresentation
bin101111100111…
…001010101001
3212111002222102
4233213022221
511143344233
61123303145
7211042214
oct57471251
925432872
1012481193
11705533a
12421aab5
13278002a
14192c77b
1511681e8
hexbe72a9

12481193 has 2 divisors, whose sum is σ = 12481194. Its totient is φ = 12481192.

The previous prime is 12481181. The next prime is 12481199. The reversal of 12481193 is 39118421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12054784 + 426409 = 3472^2 + 653^2 .

It is an emirp because it is prime and its reverse (39118421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12481193 - 216 = 12415657 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12481199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6240596 + 6240597.

It is an arithmetic number, because the mean of its divisors is an integer number (6240597).

Almost surely, 212481193 is an apocalyptic number.

It is an amenable number.

12481193 is a deficient number, since it is larger than the sum of its proper divisors (1).

12481193 is an equidigital number, since it uses as much as digits as its factorization.

12481193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 29.

The square root of 12481193 is about 3532.8731933088. The cubic root of 12481193 is about 231.9629907770.

The spelling of 12481193 in words is "twelve million, four hundred eighty-one thousand, one hundred ninety-three".