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12125305 = 59832467
BaseRepresentation
bin101110010000…
…010001111001
3211211000210101
4232100101321
511101002210
61111515401
7205030513
oct56202171
924730711
1012125305
116931a15
124088b61
13268704a
141878bb3
1510e7a3a
hexb90479

12125305 has 8 divisors (see below), whose sum is σ = 14571072. Its totient is φ = 9686448.

The previous prime is 12125293. The next prime is 12125317. The reversal of 12125305 is 50352121.

It is an interprime number because it is at equal distance from previous prime (12125293) and next prime (12125317).

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 12125305 - 25 = 12125273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3682 + ... + 6148.

It is an arithmetic number, because the mean of its divisors is an integer number (1821384).

Almost surely, 212125305 is an apocalyptic number.

It is an amenable number.

12125305 is a deficient number, since it is larger than the sum of its proper divisors (2445767).

12125305 is an equidigital number, since it uses as much as digits as its factorization.

12125305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 12125305 is about 3482.1408644683. The cubic root of 12125305 is about 229.7369708949.

Adding to 12125305 its reverse (50352121), we get a palindrome (62477426).

The spelling of 12125305 in words is "twelve million, one hundred twenty-five thousand, three hundred five".

Divisors: 1 5 983 2467 4915 12335 2425061 12125305