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12725108 = 22111372111
BaseRepresentation
bin110000100010…
…101101110100
3212221111120022
4300202231310
511224200413
61132424312
7213106304
oct60425564
925844508
1012725108
117201620
124318098
132837066
141993604
1511b5608
hexc22b74

12725108 has 24 divisors (see below), whose sum is σ = 24482304. Its totient is φ = 5739200.

The previous prime is 12725107. The next prime is 12725123. The reversal of 12725108 is 80152721.

It is a super-2 number, since 2×127251082 = 323856747223328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12725101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4973 + ... + 7083.

It is an arithmetic number, because the mean of its divisors is an integer number (1020096).

Almost surely, 212725108 is an apocalyptic number.

It is an amenable number.

12725108 is a deficient number, since it is larger than the sum of its proper divisors (11757196).

12725108 is a wasteful number, since it uses less digits than its factorization.

12725108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263 (or 2261 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 12725108 is about 3567.2269341885. The cubic root of 12725108 is about 233.4643065146.

Adding to 12725108 its reverse (80152721), we get a palindrome (92877829).

The spelling of 12725108 in words is "twelve million, seven hundred twenty-five thousand, one hundred eight".

Divisors: 1 2 4 11 22 44 137 274 548 1507 2111 3014 4222 6028 8444 23221 46442 92884 289207 578414 1156828 3181277 6362554 12725108