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12088125 = 32547307
BaseRepresentation
bin101110000111…
…001100111101
3211202010210100
4232013030331
511043310000
61111031313
7204514230
oct56071475
924663710
1012088125
116906a95
12406b539
13267314a
141869417
1510dba00
hexb8733d

12088125 has 60 divisors (see below), whose sum is σ = 25016992. Its totient is φ = 5508000.

The previous prime is 12088093. The next prime is 12088127. The reversal of 12088125 is 52188021.

It is not a de Polignac number, because 12088125 - 25 = 12088093 is a prime.

It is a super-2 number, since 2×120881252 = 292245532031250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12088127) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 39222 + ... + 39528.

Almost surely, 212088125 is an apocalyptic number.

12088125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12088125 is an abundant number, since it is smaller than the sum of its proper divisors (12928867).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12088125 is an equidigital number, since it uses as much as digits as its factorization.

12088125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 12088125 is about 3476.7980959498. The cubic root of 12088125 is about 229.5019152018.

The spelling of 12088125 in words is "twelve million, eighty-eight thousand, one hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 35 45 63 75 105 125 175 225 307 315 375 525 625 875 921 1125 1535 1575 1875 2149 2625 2763 4375 4605 5625 6447 7675 7875 10745 13125 13815 19341 23025 32235 38375 39375 53725 69075 96705 115125 161175 191875 268625 345375 483525 575625 805875 1343125 1726875 2417625 4029375 12088125