Base | Representation |
---|---|
bin | 101111010000… |
… | …100000011000 |
3 | 212022101122202 |
4 | 233100200120 |
5 | 11132412001 |
6 | 1121305332 |
7 | 210204500 |
oct | 57204030 |
9 | 25271582 |
10 | 12388376 |
11 | 6aa1630 |
12 | 4195248 |
13 | 2749a00 |
14 | 1906a00 |
15 | 114a96b |
hex | bd0818 |
12388376 has 144 divisors (see below), whose sum is σ = 33796440. Its totient is φ = 4193280.
The previous prime is 12388349. The next prime is 12388381. The reversal of 12388376 is 67388321.
It is a happy number.
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 728720 + ... + 728736.
Almost surely, 212388376 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12388376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16898220).
12388376 is an abundant number, since it is smaller than the sum of its proper divisors (21408064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12388376 is a wasteful number, since it uses less digits than its factorization.
12388376 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74 (or 50 counting only the distinct ones).
The product of its digits is 48384, while the sum is 38.
The square root of 12388376 is about 3519.7124882581. The cubic root of 12388376 is about 231.3865581554.
Subtracting 12388376 from its reverse (67388321), we obtain a palindrome (54999945).
The spelling of 12388376 in words is "twelve million, three hundred eighty-eight thousand, three hundred seventy-six".
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