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12805196 = 223201299
BaseRepresentation
bin110000110110…
…010001001100
3220002120102112
4300312101030
511234231241
61134243152
7213561635
oct60662114
926076375
1012805196
117256808
1243564b8
132864651
1419b488c
1511ce1eb
hexc3644c

12805196 has 6 divisors (see below), whose sum is σ = 22409100. Its totient is φ = 6402596.

The previous prime is 12805193. The next prime is 12805217. The reversal of 12805196 is 69150821.

It is not an unprimeable number, because it can be changed into a prime (12805193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600646 + ... + 1600653.

It is an arithmetic number, because the mean of its divisors is an integer number (3734850).

Almost surely, 212805196 is an apocalyptic number.

It is an amenable number.

12805196 is a deficient number, since it is larger than the sum of its proper divisors (9603904).

12805196 is a wasteful number, since it uses less digits than its factorization.

12805196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3201303 (or 3201301 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 12805196 is about 3578.4348533961. The cubic root of 12805196 is about 233.9530672670.

The spelling of 12805196 in words is "twelve million, eight hundred five thousand, one hundred ninety-six".

Divisors: 1 2 4 3201299 6402598 12805196