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12045769 is a prime number
BaseRepresentation
bin101101111100…
…110111001001
3211122222200121
4231330313021
511040431034
61110103241
7204246601
oct55746711
924588617
1012045769
11688818a
12404ab21
132659a98
141857c01
1510ce1b4
hexb7cdc9

12045769 has 2 divisors, whose sum is σ = 12045770. Its totient is φ = 12045768.

The previous prime is 12045749. The next prime is 12045773. The reversal of 12045769 is 96754021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9223369 + 2822400 = 3037^2 + 1680^2 .

It is a cyclic number.

It is not a de Polignac number, because 12045769 - 27 = 12045641 is a prime.

It is a super-2 number, since 2×120457692 = 290201101602722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12045749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6022884 + 6022885.

It is an arithmetic number, because the mean of its divisors is an integer number (6022885).

Almost surely, 212045769 is an apocalyptic number.

It is an amenable number.

12045769 is a deficient number, since it is larger than the sum of its proper divisors (1).

12045769 is an equidigital number, since it uses as much as digits as its factorization.

12045769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 12045769 is about 3470.7015141035. The cubic root of 12045769 is about 229.2335482732.

The spelling of 12045769 in words is "twelve million, forty-five thousand, seven hundred sixty-nine".