Search a number
-
+
12030757 is a prime number
BaseRepresentation
bin101101111001…
…001100100101
3211122020002121
4231321030211
511034441012
61105505541
7204155044
oct55711445
924566077
1012030757
116877982
1240422b1
132652cbb
14185255b
1510c9a07
hexb79325

12030757 has 2 divisors, whose sum is σ = 12030758. Its totient is φ = 12030756.

The previous prime is 12030727. The next prime is 12030761. The reversal of 12030757 is 75703021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6791236 + 5239521 = 2606^2 + 2289^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12030757 is a prime.

It is a super-2 number, since 2×120307572 = 289478227986098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12030727) 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, 6015378 + 6015379.

It is an arithmetic number, because the mean of its divisors is an integer number (6015379).

Almost surely, 212030757 is an apocalyptic number.

It is an amenable number.

12030757 is a deficient number, since it is larger than the sum of its proper divisors (1).

12030757 is an equidigital number, since it uses as much as digits as its factorization.

12030757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 12030757 is about 3468.5381647028. The cubic root of 12030757 is about 229.1382815017.

Adding to 12030757 its reverse (75703021), we get a palindrome (87733778).

The spelling of 12030757 in words is "twelve million, thirty thousand, seven hundred fifty-seven".