Search a number
-
+
12575117 is a prime number
BaseRepresentation
bin101111111110…
…000110001101
3212122212211002
4233332012031
511204400432
61125310045
7211613102
oct57760615
925585732
1012575117
117109965
124265325
1327b39c9
141954aa9
151185e62
hexbfe18d

12575117 has 2 divisors, whose sum is σ = 12575118. Its totient is φ = 12575116.

The previous prime is 12575113. The next prime is 12575137. The reversal of 12575117 is 71157521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6295081 + 6280036 = 2509^2 + 2506^2 .

It is an emirp because it is prime and its reverse (71157521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12575117 - 22 = 12575113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12575117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12575113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6287558 + 6287559.

It is an arithmetic number, because the mean of its divisors is an integer number (6287559).

Almost surely, 212575117 is an apocalyptic number.

It is an amenable number.

12575117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12575117 is an equidigital number, since it uses as much as digits as its factorization.

12575117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2450, while the sum is 29.

The square root of 12575117 is about 3546.1411421431. The cubic root of 12575117 is about 232.5433965320.

The spelling of 12575117 in words is "twelve million, five hundred seventy-five thousand, one hundred seventeen".