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12253107 = 317240257
BaseRepresentation
bin101110101111…
…011110110011
3212001112002210
4232233132303
511114044412
61114343203
7206102226
oct56573663
925045083
1012253107
116a09a39
12412ab03
132700279
1418ad5bd
15112083c
hexbaf7b3

12253107 has 8 divisors (see below), whose sum is σ = 17298576. Its totient is φ = 7688192.

The previous prime is 12253099. The next prime is 12253117. The reversal of 12253107 is 70135221.

12253107 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12253107 - 23 = 12253099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12253117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120078 + ... + 120179.

It is an arithmetic number, because the mean of its divisors is an integer number (2162322).

Almost surely, 212253107 is an apocalyptic number.

12253107 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12253107 is a deficient number, since it is larger than the sum of its proper divisors (5045469).

12253107 is a wasteful number, since it uses less digits than its factorization.

12253107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240277.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 12253107 is about 3500.4438290023. The cubic root of 12253107 is about 230.5413022419.

Adding to 12253107 its reverse (70135221), we get a palindrome (82388328).

The spelling of 12253107 in words is "twelve million, two hundred fifty-three thousand, one hundred seven".

Divisors: 1 3 17 51 240257 720771 4084369 12253107