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12585274 = 213539133
BaseRepresentation
bin110000000000…
…100100111010
3212200101202021
4300000210322
511210212044
61125425054
7211654522
oct60004472
925611667
1012585274
117116559
12426b18a
1327b8510
141958682
151188e84
hexc0093a

12585274 has 16 divisors (see below), whose sum is σ = 20715912. Its totient is φ = 5698368.

The previous prime is 12585271. The next prime is 12585299. The reversal of 12585274 is 47258521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11390625 + 1194649 = 3375^2 + 1093^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12585271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3189 + ... + 5944.

Almost surely, 212585274 is an apocalyptic number.

12585274 is a deficient number, since it is larger than the sum of its proper divisors (8130638).

12585274 is a wasteful number, since it uses less digits than its factorization.

12585274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9201.

The product of its digits is 22400, while the sum is 34.

The square root of 12585274 is about 3547.5729731748. The cubic root of 12585274 is about 232.6059885976.

The spelling of 12585274 in words is "twelve million, five hundred eighty-five thousand, two hundred seventy-four".

Divisors: 1 2 13 26 53 106 689 1378 9133 18266 118729 237458 484049 968098 6292637 12585274