Search a number
-
+
12992269 is a prime number
BaseRepresentation
bin110001100011…
…111100001101
3220110002001011
4301203330031
511311223034
61142245221
7215301223
oct61437415
926402034
1012992269
117374314
124426811
1328cb844
141a22b13
151219864
hexc63f0d

12992269 has 2 divisors, whose sum is σ = 12992270. Its totient is φ = 12992268.

The previous prime is 12992251. The next prime is 12992281. The reversal of 12992269 is 96229921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8940100 + 4052169 = 2990^2 + 2013^2 .

It is a cyclic number.

It is not a de Polignac number, because 12992269 - 27 = 12992141 is a prime.

It is a super-2 number, since 2×129922692 = 337598107536722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12992209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6496134 + 6496135.

It is an arithmetic number, because the mean of its divisors is an integer number (6496135).

Almost surely, 212992269 is an apocalyptic number.

It is an amenable number.

12992269 is a deficient number, since it is larger than the sum of its proper divisors (1).

12992269 is an equidigital number, since it uses as much as digits as its factorization.

12992269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 40.

The square root of 12992269 is about 3604.4790192204. The cubic root of 12992269 is about 235.0868488410.

The spelling of 12992269 in words is "twelve million, nine hundred ninety-two thousand, two hundred sixty-nine".