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12830127 = 319921491
BaseRepresentation
bin110000111100…
…010110101111
3220010211121220
4300330112233
511241031002
61134554423
7214024422
oct60742657
926124556
1012830127
117273512
124368a13
132872abb
1419bd9b9
1511d67bc
hexc3c5af

12830127 has 8 divisors (see below), whose sum is σ = 17193600. Its totient is φ = 8510040.

The previous prime is 12830119. The next prime is 12830143. The reversal of 12830127 is 72103821.

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

It is not a de Polignac number, because 12830127 - 23 = 12830119 is a prime.

It is a super-2 number, since 2×128301272 = 329224317672258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12830097 and 12830106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12830327) 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, 10149 + ... + 11342.

It is an arithmetic number, because the mean of its divisors is an integer number (2149200).

Almost surely, 212830127 is an apocalyptic number.

12830127 is a deficient number, since it is larger than the sum of its proper divisors (4363473).

12830127 is a wasteful number, since it uses less digits than its factorization.

12830127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21693.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 12830127 is about 3581.9166656973. The cubic root of 12830127 is about 234.1048000143.

Adding to 12830127 its reverse (72103821), we get a palindrome (84933948).

The spelling of 12830127 in words is "twelve million, eight hundred thirty thousand, one hundred twenty-seven".

Divisors: 1 3 199 597 21491 64473 4276709 12830127