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12734225 = 52772767
BaseRepresentation
bin110000100100…
…111100010001
3212221222001222
4300210330101
511224443400
61132534425
7213145010
oct60447421
925858058
1012734225
117208459
124321415
13283b25a
141996a77
1511b8185
hexc24f11

12734225 has 12 divisors (see below), whose sum is σ = 18046464. Its totient is φ = 8731920.

The previous prime is 12734171. The next prime is 12734233. The reversal of 12734225 is 52243721.

It is not a de Polignac number, because 12734225 - 218 = 12472081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12734194 and 12734203.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36209 + ... + 36558.

It is an arithmetic number, because the mean of its divisors is an integer number (1503872).

Almost surely, 212734225 is an apocalyptic number.

It is an amenable number.

12734225 is a deficient number, since it is larger than the sum of its proper divisors (5312239).

12734225 is an equidigital number, since it uses as much as digits as its factorization.

12734225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72784 (or 72779 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 12734225 is about 3568.5045887598. The cubic root of 12734225 is about 233.5200489612.

Adding to 12734225 its reverse (52243721), we get a palindrome (64977946).

The spelling of 12734225 in words is "twelve million, seven hundred thirty-four thousand, two hundred twenty-five".

Divisors: 1 5 7 25 35 175 72767 363835 509369 1819175 2546845 12734225