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12883866 = 236193469
BaseRepresentation
bin110001001001…
…011110011010
3220020120100020
4301021132122
511244240431
61140051310
7214340202
oct61113632
926216306
1012883866
1172aa926
124393b36
1328913b8
1419d5402
1511e7696
hexc4979a

12883866 has 16 divisors (see below), whose sum is σ = 25816800. Its totient is φ = 4286448.

The previous prime is 12883861. The next prime is 12883903. The reversal of 12883866 is 66838821.

12883866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12883861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1980 + ... + 5448.

It is an arithmetic number, because the mean of its divisors is an integer number (1613550).

Almost surely, 212883866 is an apocalyptic number.

12883866 is an abundant number, since it is smaller than the sum of its proper divisors (12932934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12883866 is a wasteful number, since it uses less digits than its factorization.

12883866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4093.

The product of its digits is 110592, while the sum is 42.

The square root of 12883866 is about 3589.4102579672. The cubic root of 12883866 is about 234.4311941346.

The spelling of 12883866 in words is "twelve million, eight hundred eighty-three thousand, eight hundred sixty-six".

Divisors: 1 2 3 6 619 1238 1857 3469 3714 6938 10407 20814 2147311 4294622 6441933 12883866