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12828634 = 271370487
BaseRepresentation
bin110000111011…
…111111011010
3220010202120121
4300323333122
511241004014
61134543454
7214020160
oct60737732
926122517
1012828634
117272385
124367b8a
132872210
1419bd230
1511d6124
hexc3bfda

12828634 has 16 divisors (see below), whose sum is σ = 23683968. Its totient is φ = 5074992.

The previous prime is 12828631. The next prime is 12828649. The reversal of 12828634 is 43682821.

It is a super-3 number, since 3×128286343 (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12828634.

It is not an unprimeable number, because it can be changed into a prime (12828631) 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, 35062 + ... + 35425.

It is an arithmetic number, because the mean of its divisors is an integer number (1480248).

Almost surely, 212828634 is an apocalyptic number.

12828634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12828634 is a deficient number, since it is larger than the sum of its proper divisors (10855334).

12828634 is a wasteful number, since it uses less digits than its factorization.

12828634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70509.

The product of its digits is 18432, while the sum is 34.

The square root of 12828634 is about 3581.7082516587. The cubic root of 12828634 is about 234.0957189916.

The spelling of 12828634 in words is "twelve million, eight hundred twenty-eight thousand, six hundred thirty-four".

Divisors: 1 2 7 13 14 26 91 182 70487 140974 493409 916331 986818 1832662 6414317 12828634