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12904063 = 101127763
BaseRepresentation
bin110001001110…
…011001111111
3220021121001021
4301032121333
511300412223
61140325011
7214453114
oct61163177
926247037
1012904063
117314017
1243a3767
13289a653
1419dc90b
1511ed65d
hexc4e67f

12904063 has 4 divisors (see below), whose sum is σ = 13031928. Its totient is φ = 12776200.

The previous prime is 12904061. The next prime is 12904079. The reversal of 12904063 is 36040921.

12904063 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12904063 - 21 = 12904061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12904061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63781 + ... + 63982.

It is an arithmetic number, because the mean of its divisors is an integer number (3257982).

Almost surely, 212904063 is an apocalyptic number.

12904063 is a deficient number, since it is larger than the sum of its proper divisors (127865).

12904063 is a wasteful number, since it uses less digits than its factorization.

12904063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127864.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 12904063 is about 3592.2225710554. Note that the first 3 decimals coincide. The cubic root of 12904063 is about 234.5536298190.

Adding to 12904063 its reverse (36040921), we get a palindrome (48944984).

The spelling of 12904063 in words is "twelve million, nine hundred four thousand, sixty-three".

Divisors: 1 101 127763 12904063