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12380512 = 25386891
BaseRepresentation
bin101111001110…
…100101100000
3212021222212111
4233032211200
511132134022
61121205104
7210142534
oct57164540
925258774
1012380512
116a96731
124190794
132746261
141903bc4
151148477
hexbce960

12380512 has 12 divisors (see below), whose sum is σ = 24374196. Its totient is φ = 6190240.

The previous prime is 12380507. The next prime is 12380513. The reversal of 12380512 is 21508321.

12380512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12380513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193414 + ... + 193477.

It is an arithmetic number, because the mean of its divisors is an integer number (2031183).

Almost surely, 212380512 is an apocalyptic number.

It is an amenable number.

12380512 is a deficient number, since it is larger than the sum of its proper divisors (11993684).

12380512 is an equidigital number, since it uses as much as digits as its factorization.

12380512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386901 (or 386893 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 12380512 is about 3518.5951742137. The cubic root of 12380512 is about 231.3375872745.

Adding to 12380512 its reverse (21508321), we get a palindrome (33888833).

The spelling of 12380512 in words is "twelve million, three hundred eighty thousand, five hundred twelve".

Divisors: 1 2 4 8 16 32 386891 773782 1547564 3095128 6190256 12380512