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12425123 = 19165053
BaseRepresentation
bin101111011001…
…011110100011
3212101021001202
4233121132203
511140100443
61122151415
7210416564
oct57313643
925337052
1012425123
1170171a7
1241b256b
132760659
14191616b
1511567b8
hexbd97a3

12425123 has 4 divisors (see below), whose sum is σ = 12490368. Its totient is φ = 12359880.

The previous prime is 12425117. The next prime is 12425131. The reversal of 12425123 is 32152421.

12425123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12425123 - 26 = 12425059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12425095 and 12425104.

It is not an unprimeable number, because it can be changed into a prime (12425143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32336 + ... + 32717.

It is an arithmetic number, because the mean of its divisors is an integer number (3122592).

Almost surely, 212425123 is an apocalyptic number.

12425123 is a deficient number, since it is larger than the sum of its proper divisors (65245).

12425123 is an equidigital number, since it uses as much as digits as its factorization.

12425123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65244.

The product of its digits is 480, while the sum is 20.

The square root of 12425123 is about 3524.9287936070. The cubic root of 12425123 is about 231.6151156509.

Adding to 12425123 its reverse (32152421), we get a palindrome (44577544).

The spelling of 12425123 in words is "twelve million, four hundred twenty-five thousand, one hundred twenty-three".

Divisors: 1 191 65053 12425123