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12883308 = 2232937021
BaseRepresentation
bin110001001001…
…010101101100
3220020112120120
4301021111230
511244231213
61140044540
7214335444
oct61112554
926215516
1012883308
1172aa469
124393750
132891079
1419d5124
1511e7423
hexc4956c

12883308 has 24 divisors (see below), whose sum is σ = 31098480. Its totient is φ = 4146240.

The previous prime is 12883303. The next prime is 12883309. The reversal of 12883308 is 80338821.

It is not an unprimeable number, because it can be changed into a prime (12883301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18163 + ... + 18858.

It is an arithmetic number, because the mean of its divisors is an integer number (1295770).

Almost surely, 212883308 is an apocalyptic number.

It is an amenable number.

12883308 is an abundant number, since it is smaller than the sum of its proper divisors (18215172).

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

12883308 is a wasteful number, since it uses less digits than its factorization.

12883308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37057 (or 37055 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 12883308 is about 3589.3325284794. The cubic root of 12883308 is about 234.4278096822.

It can be divided in two parts, 128 and 83308, that added together give a triangular number (83436 = T408).

The spelling of 12883308 in words is "twelve million, eight hundred eighty-three thousand, three hundred eight".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 37021 74042 111063 148084 222126 444252 1073609 2147218 3220827 4294436 6441654 12883308