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12839924 = 2229711559
BaseRepresentation
bin110000111110…
…101111110100
3220011100001202
4300332233310
511241334144
61135112032
7214065116
oct60765764
926140052
1012839924
11727a909
124372618
1328773b6
1419c33b6
1511d964e
hexc3ebf4

12839924 has 24 divisors (see below), whose sum is σ = 23587200. Its totient is φ = 6107360.

The previous prime is 12839909. The next prime is 12839927. The reversal of 12839924 is 42993821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12839927) 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, 7457 + ... + 9015.

It is an arithmetic number, because the mean of its divisors is an integer number (982800).

Almost surely, 212839924 is an apocalyptic number.

It is an amenable number.

12839924 is a deficient number, since it is larger than the sum of its proper divisors (10747276).

12839924 is a wasteful number, since it uses less digits than its factorization.

12839924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663 (or 1661 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 12839924 is about 3583.2839686522. The cubic root of 12839924 is about 234.1643718123.

The spelling of 12839924 in words is "twelve million, eight hundred thirty-nine thousand, nine hundred twenty-four".

Divisors: 1 2 4 29 58 71 116 142 284 1559 2059 3118 4118 6236 8236 45211 90422 110689 180844 221378 442756 3209981 6419962 12839924