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12385074 = 23131961137
BaseRepresentation
bin101111001111…
…101100110010
3212022020010110
4233033230302
511132310244
61121242150
7210162042
oct57175462
925266113
1012385074
116a9a0a9
124193356
132748360
141905722
1511499b9
hexbcfb32

12385074 has 64 divisors (see below), whose sum is σ = 28748160. Its totient is φ = 3525120.

The previous prime is 12385073. The next prime is 12385081. The reversal of 12385074 is 47058321.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12385073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90334 + ... + 90470.

It is an arithmetic number, because the mean of its divisors is an integer number (449190).

Almost surely, 212385074 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12385074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14374080).

12385074 is an abundant number, since it is smaller than the sum of its proper divisors (16363086).

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

12385074 is a wasteful number, since it uses less digits than its factorization.

12385074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 12385074 is about 3519.2433845928. The cubic root of 12385074 is about 231.3659983901.

The spelling of 12385074 in words is "twelve million, three hundred eighty-five thousand, seventy-four".

Divisors: 1 2 3 6 13 19 26 38 39 57 61 78 114 122 137 183 247 274 366 411 494 741 793 822 1159 1482 1586 1781 2318 2379 2603 3477 3562 4758 5206 5343 6954 7809 8357 10686 15067 15618 16714 25071 30134 33839 45201 50142 67678 90402 101517 108641 158783 203034 217282 317566 325923 476349 651846 952698 2064179 4128358 6192537 12385074