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12928335 = 357123127
BaseRepresentation
bin110001010100…
…010101001111
3220022211100020
4301110111033
511302201320
61141033223
7214613640
oct61242517
926284306
1012928335
117330282
1243b5813
1328a8704
141a076c7
151205940
hexc5454f

12928335 has 16 divisors (see below), whose sum is σ = 23640576. Its totient is φ = 5910048.

The previous prime is 12928327. The next prime is 12928393. The reversal of 12928335 is 53382921.

12928335 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12928335 - 23 = 12928327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12928296 and 12928305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61459 + ... + 61668.

It is an arithmetic number, because the mean of its divisors is an integer number (1477536).

Almost surely, 212928335 is an apocalyptic number.

12928335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12928335 is a deficient number, since it is larger than the sum of its proper divisors (10712241).

12928335 is a wasteful number, since it uses less digits than its factorization.

12928335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123142.

The product of its digits is 12960, while the sum is 33.

The square root of 12928335 is about 3595.5993937034. The cubic root of 12928335 is about 234.7005995485.

The spelling of 12928335 in words is "twelve million, nine hundred twenty-eight thousand, three hundred thirty-five".

Divisors: 1 3 5 7 15 21 35 105 123127 369381 615635 861889 1846905 2585667 4309445 12928335