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12815063 = 196111057
BaseRepresentation
bin110000111000…
…101011010111
3220010001221222
4300320223113
511240040223
61134400555
7213632462
oct60705327
926101858
1012815063
117263168
12436015b
132868ca1
1419b82d9
1511d20c8
hexc38ad7

12815063 has 8 divisors (see below), whose sum is σ = 13711920. Its totient is φ = 11940480.

The previous prime is 12815053. The next prime is 12815081. The reversal of 12815063 is 36051821.

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 12815063 - 220 = 11766487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12815053) 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 in 7 ways as a sum of consecutive naturals, for example, 4370 + ... + 6687.

It is an arithmetic number, because the mean of its divisors is an integer number (1713990).

Almost surely, 212815063 is an apocalyptic number.

12815063 is a deficient number, since it is larger than the sum of its proper divisors (896857).

12815063 is a wasteful number, since it uses less digits than its factorization.

12815063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11137.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 12815063 is about 3579.8132632862. The cubic root of 12815063 is about 234.0131424182.

Adding to 12815063 its reverse (36051821), we get a palindrome (48866884).

The spelling of 12815063 in words is "twelve million, eight hundred fifteen thousand, sixty-three".

Divisors: 1 19 61 1159 11057 210083 674477 12815063