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12702628 = 2224113177
BaseRepresentation
bin110000011101…
…001110100100
3212220100201201
4300131032210
511222441003
61132132244
7212653621
oct60351644
925810651
1012702628
117196744
124307084
132829a63
141989348
1511adb1d
hexc1d3a4

12702628 has 12 divisors (see below), whose sum is σ = 22323532. Its totient is φ = 6324480.

The previous prime is 12702623. The next prime is 12702631. The reversal of 12702628 is 82620721.

It can be written as a sum of positive squares in 2 ways, for example, as 8892324 + 3810304 = 2982^2 + 1952^2 .

It is a super-2 number, since 2×127026282 = 322713516212768, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12702596 and 12702605.

It is not an unprimeable number, because it can be changed into a prime (12702623) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5625 + ... + 7552.

Almost surely, 212702628 is an apocalyptic number.

It is an amenable number.

12702628 is a deficient number, since it is larger than the sum of its proper divisors (9620904).

12702628 is a wasteful number, since it uses less digits than its factorization.

12702628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13422 (or 13420 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 12702628 is about 3564.0746344598. The cubic root of 12702628 is about 233.3267472064.

The spelling of 12702628 in words is "twelve million, seven hundred two thousand, six hundred twenty-eight".

Divisors: 1 2 4 241 482 964 13177 26354 52708 3175657 6351314 12702628