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12869230 = 2511116993
BaseRepresentation
bin110001000101…
…111001101110
3220012211021011
4301011321232
511243303410
61135455434
7214246423
oct61057156
926184234
1012869230
11729a930
12438757a
13288783a
1419cdd4a
1511e318a
hexc45e6e

12869230 has 16 divisors (see below), whose sum is σ = 25270704. Its totient is φ = 4679680.

The previous prime is 12869209. The next prime is 12869237. The reversal of 12869230 is 3296821.

It is a junction number, because it is equal to n+sod(n) for n = 12869192 and 12869201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12869237) 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, 58387 + ... + 58606.

It is an arithmetic number, because the mean of its divisors is an integer number (1579419).

Almost surely, 212869230 is an apocalyptic number.

12869230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12869230 is a deficient number, since it is larger than the sum of its proper divisors (12401474).

12869230 is a wasteful number, since it uses less digits than its factorization.

12869230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117011.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 12869230 is about 3587.3709036006. The cubic root of 12869230 is about 234.3423896555.

The spelling of 12869230 in words is "twelve million, eight hundred sixty-nine thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 116993 233986 584965 1169930 1286923 2573846 6434615 12869230