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12830441 = 132934033
BaseRepresentation
bin110000111100…
…011011101001
3220010212001112
4300330123221
511241033231
61135000105
7214025351
oct60743351
926125045
1012830441
117273778
124369035
132872ca0
1419bdb61
1511d692b
hexc3c6e9

12830441 has 8 divisors (see below), whose sum is σ = 14294280. Its totient is φ = 11434752.

The previous prime is 12830437. The next prime is 12830449. The reversal of 12830441 is 14403821.

12830441 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1243225 + 11587216 = 1115^2 + 3404^2 .

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 12830441 - 22 = 12830437 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12830449) 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, 16640 + ... + 17393.

It is an arithmetic number, because the mean of its divisors is an integer number (1786785).

Almost surely, 212830441 is an apocalyptic number.

It is an amenable number.

12830441 is a deficient number, since it is larger than the sum of its proper divisors (1463839).

12830441 is a wasteful number, since it uses less digits than its factorization.

12830441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34075.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 12830441 is about 3581.9604967113. The cubic root of 12830441 is about 234.1067097982.

The spelling of 12830441 in words is "twelve million, eight hundred thirty thousand, four hundred forty-one".

Divisors: 1 13 29 377 34033 442429 986957 12830441