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12830067 = 322361981
BaseRepresentation
bin110000111100…
…010101110011
3220010211112200
4300330111303
511241030232
61134554243
7214024305
oct60742563
926124480
1012830067
117273468
124368983
132872a73
1419bd975
1511d677c
hexc3c573

12830067 has 12 divisors (see below), whose sum is σ = 19338384. Its totient is φ = 8181360.

The previous prime is 12830047. The next prime is 12830101. The reversal of 12830067 is 76003821.

12830067 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12830067 - 215 = 12797299 is a prime.

It is a super-2 number, since 2×128300672 = 329221238448978, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12830067.

It is not an unprimeable number, because it can be changed into a prime (12830047) 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 11 ways as a sum of consecutive naturals, for example, 30784 + ... + 31197.

It is an arithmetic number, because the mean of its divisors is an integer number (1611532).

Almost surely, 212830067 is an apocalyptic number.

12830067 is a deficient number, since it is larger than the sum of its proper divisors (6508317).

12830067 is a wasteful number, since it uses less digits than its factorization.

12830067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62010 (or 62007 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 12830067 is about 3581.9082902833. The cubic root of 12830067 is about 234.1044350839.

Adding to 12830067 its reverse (76003821), we get a palindrome (88833888).

The spelling of 12830067 in words is "twelve million, eight hundred thirty thousand, sixty-seven".

Divisors: 1 3 9 23 69 207 61981 185943 557829 1425563 4276689 12830067