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12725275 = 524311181
BaseRepresentation
bin110000100010…
…110000011011
3212221111210111
4300202300123
511224202100
61132425151
7213106633
oct60426033
925844714
1012725275
117201762
1243181b7
132837164
1419936c3
1511b56ba
hexc22c1b

12725275 has 12 divisors (see below), whose sum is σ = 15829344. Its totient is φ = 10148000.

The previous prime is 12725263. The next prime is 12725281. The reversal of 12725275 is 57252721.

It is not a de Polignac number, because 12725275 - 27 = 12725147 is a prime.

It is a Duffinian number.

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, 10185 + ... + 11365.

It is an arithmetic number, because the mean of its divisors is an integer number (1319112).

Almost surely, 212725275 is an apocalyptic number.

12725275 is a deficient number, since it is larger than the sum of its proper divisors (3104069).

12725275 is a wasteful number, since it uses less digits than its factorization.

12725275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622 (or 1617 counting only the distinct ones).

The product of its digits is 9800, while the sum is 31.

The square root of 12725275 is about 3567.2503416497. The cubic root of 12725275 is about 233.4653278122.

Adding to 12725275 its reverse (57252721), we get a palindrome (69977996).

The spelling of 12725275 in words is "twelve million, seven hundred twenty-five thousand, two hundred seventy-five".

Divisors: 1 5 25 431 1181 2155 5905 10775 29525 509011 2545055 12725275