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12070865 = 517913487
BaseRepresentation
bin101110000010…
…111111010001
3211201021010002
4232002333101
511042231430
61110415345
7204413012
oct56027721
924637102
1012070865
1168a5024
124061555
132668331
141863009
1510d6845
hexb82fd1

12070865 has 8 divisors (see below), whose sum is σ = 14567040. Its totient is φ = 9602032.

The previous prime is 12070853. The next prime is 12070897. The reversal of 12070865 is 56807021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12070865 - 26 = 12070801 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 5849 + ... + 7638.

It is an arithmetic number, because the mean of its divisors is an integer number (1820880).

Almost surely, 212070865 is an apocalyptic number.

It is an amenable number.

12070865 is a deficient number, since it is larger than the sum of its proper divisors (2496175).

12070865 is a wasteful number, since it uses less digits than its factorization.

12070865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13671.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 12070865 is about 3474.3150404072. The cubic root of 12070865 is about 229.3926319208.

Adding to 12070865 its reverse (56807021), we get a palindrome (68877886).

The spelling of 12070865 in words is "twelve million, seventy thousand, eight hundred sixty-five".

Divisors: 1 5 179 895 13487 67435 2414173 12070865