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12630375 = 3253103109
BaseRepresentation
bin110000001011…
…100101100111
3212202200121200
4300023211213
511213133000
61130413543
7212233152
oct60134547
925680550
1012630375
11714742a
1242912b3
132802bc4
14196ac99
151197500
hexc0b967

12630375 has 48 divisors (see below), whose sum is σ = 23200320. Its totient is φ = 6609600.

The previous prime is 12630367. The next prime is 12630379. The reversal of 12630375 is 57303621.

It is a happy number.

12630375 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 not a de Polignac number, because 12630375 - 23 = 12630367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12630379) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115821 + ... + 115929.

It is an arithmetic number, because the mean of its divisors is an integer number (483340).

Almost surely, 212630375 is an apocalyptic number.

12630375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12630375 is a deficient number, since it is larger than the sum of its proper divisors (10569945).

12630375 is a wasteful number, since it uses less digits than its factorization.

12630375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 12630375 is about 3553.9238877612. The cubic root of 12630375 is about 232.8835154887.

Adding to 12630375 its reverse (57303621), we get a palindrome (69933996).

The spelling of 12630375 in words is "twelve million, six hundred thirty thousand, three hundred seventy-five".

Divisors: 1 3 5 9 15 25 45 75 103 109 125 225 309 327 375 515 545 927 981 1125 1545 1635 2575 2725 4635 4905 7725 8175 11227 12875 13625 23175 24525 33681 38625 40875 56135 101043 115875 122625 168405 280675 505215 842025 1403375 2526075 4210125 12630375