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12385060 = 225619253
BaseRepresentation
bin101111001111…
…101100100100
3212022020002221
4233033230210
511132310220
61121242124
7210162022
oct57175444
925266087
1012385060
116a9a096
124193344
13274834c
141905712
1511499aa
hexbcfb24

12385060 has 12 divisors (see below), whose sum is σ = 26008668. Its totient is φ = 4954016.

The previous prime is 12385049. The next prime is 12385069. The reversal of 12385060 is 6058321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5116644 + 7268416 = 2262^2 + 2696^2 .

It is a super-2 number, since 2×123850602 = 306779422407200, which contains 22 as substring.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12385069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309607 + ... + 309646.

It is an arithmetic number, because the mean of its divisors is an integer number (2167389).

Almost surely, 212385060 is an apocalyptic number.

12385060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12385060 is an abundant number, since it is smaller than the sum of its proper divisors (13623608).

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

12385060 is a wasteful number, since it uses less digits than its factorization.

12385060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619262 (or 619260 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 12385060 is about 3519.2413955283. The cubic root of 12385060 is about 231.3659112119.

The spelling of 12385060 in words is "twelve million, three hundred eighty-five thousand, sixty".

Divisors: 1 2 4 5 10 20 619253 1238506 2477012 3096265 6192530 12385060