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12830259 = 313328981
BaseRepresentation
bin110000111100…
…011000110011
3220010211210210
4300330120303
511241032014
61134555203
7214025001
oct60743063
926124723
1012830259
117273622
124368b03
132872b90
1419bda71
1511d6859
hexc3c633

12830259 has 8 divisors (see below), whose sum is σ = 18422992. Its totient is φ = 7895520.

The previous prime is 12830243. The next prime is 12830269. The reversal of 12830259 is 95203821.

It is a happy number.

12830259 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12830259 - 24 = 12830243 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (12830269) 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, 164452 + ... + 164529.

It is an arithmetic number, because the mean of its divisors is an integer number (2302874).

Almost surely, 212830259 is an apocalyptic number.

12830259 is a deficient number, since it is larger than the sum of its proper divisors (5592733).

12830259 is a wasteful number, since it uses less digits than its factorization.

12830259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328997.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 12830259 is about 3581.9350915392. The cubic root of 12830259 is about 234.1056028572.

The spelling of 12830259 in words is "twelve million, eight hundred thirty thousand, two hundred fifty-nine".

Divisors: 1 3 13 39 328981 986943 4276753 12830259