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12675645 = 3252337331
BaseRepresentation
bin110000010110…
…101000111101
3212211222201100
4300112220331
511221110040
61131403313
7212512143
oct60265075
925758640
1012675645
117178444
1242b3539
13281a6a8
14197d593
1511a5b30
hexc16a3d

12675645 has 48 divisors (see below), whose sum is σ = 23617152. Its totient is φ = 6272640.

The previous prime is 12675623. The next prime is 12675667. The reversal of 12675645 is 54657621.

It is a happy number.

12675645 is a `hidden beast` number, since 1 + 2 + 6 + 7 + 5 + 645 = 666.

12675645 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12675623) and next prime (12675667).

It is not a de Polignac number, because 12675645 - 214 = 12659261 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38130 + ... + 38460.

It is an arithmetic number, because the mean of its divisors is an integer number (492024).

Almost surely, 212675645 is an apocalyptic number.

12675645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12675645 is a deficient number, since it is larger than the sum of its proper divisors (10941507).

12675645 is a wasteful number, since it uses less digits than its factorization.

12675645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 399 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 12675645 is about 3560.2872075157. The cubic root of 12675645 is about 233.1614187199.

The spelling of 12675645 in words is "twelve million, six hundred seventy-five thousand, six hundred forty-five".

Divisors: 1 3 5 9 15 23 37 45 69 111 115 185 207 331 333 345 555 851 993 1035 1655 1665 2553 2979 4255 4965 7613 7659 12247 12765 14895 22839 36741 38065 38295 61235 68517 110223 114195 183705 281681 342585 551115 845043 1408405 2535129 4225215 12675645