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12430065 = 35978543
BaseRepresentation
bin101111011010…
…101011110001
3212101111211210
4233122223301
511140230230
61122230333
7210440154
oct57325361
925344753
1012430065
11701a98a
1241b53a9
13276298b
141917c9b
151157eb0
hexbdaaf1

12430065 has 16 divisors (see below), whose sum is σ = 20095488. Its totient is φ = 6560256.

The previous prime is 12430049. The next prime is 12430073. The reversal of 12430065 is 56003421.

It is a happy number.

It is not a de Polignac number, because 12430065 - 24 = 12430049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2817 + ... + 5726.

It is an arithmetic number, because the mean of its divisors is an integer number (1255968).

Almost surely, 212430065 is an apocalyptic number.

12430065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12430065 is a deficient number, since it is larger than the sum of its proper divisors (7665423).

12430065 is an equidigital number, since it uses as much as digits as its factorization.

12430065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8648.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 12430065 is about 3525.6297309842. The cubic root of 12430065 is about 231.6458193088.

Adding to 12430065 its reverse (56003421), we get a palindrome (68433486).

The spelling of 12430065 in words is "twelve million, four hundred thirty thousand, sixty-five".

Divisors: 1 3 5 15 97 291 485 1455 8543 25629 42715 128145 828671 2486013 4143355 12430065