Search a number
-
+
12494171 is a prime number
BaseRepresentation
bin101111101010…
…010101011011
3212111202210002
4233222111123
511144303141
61123443215
7211125104
oct57522533
925452702
1012494171
117064068
12422650b
132785c01
1419333ab
15116be9b
hexbea55b

12494171 has 2 divisors, whose sum is σ = 12494172. Its totient is φ = 12494170.

The previous prime is 12494149. The next prime is 12494173. The reversal of 12494171 is 17149421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12494171 - 26 = 12494107 is a prime.

It is a super-2 number, since 2×124941712 = 312208617954482, which contains 22 as substring.

Together with 12494173, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12494173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6247085 + 6247086.

It is an arithmetic number, because the mean of its divisors is an integer number (6247086).

Almost surely, 212494171 is an apocalyptic number.

12494171 is a deficient number, since it is larger than the sum of its proper divisors (1).

12494171 is an equidigital number, since it uses as much as digits as its factorization.

12494171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 29.

The square root of 12494171 is about 3534.7094647227. The cubic root of 12494171 is about 232.0433616434.

The spelling of 12494171 in words is "twelve million, four hundred ninety-four thousand, one hundred seventy-one".