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12839396 = 224179991
BaseRepresentation
bin110000111110…
…100111100100
3220011022100012
4300332213210
511241330041
61135105352
7214063433
oct60764744
926138305
1012839396
11727a479
124372258
13287709b
1419c311a
1511d93eb
hexc3e9e4

12839396 has 24 divisors (see below), whose sum is σ = 23331840. Its totient is φ = 6177600.

The previous prime is 12839381. The next prime is 12839401. The reversal of 12839396 is 69393821.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12461 + ... + 13451.

It is an arithmetic number, because the mean of its divisors is an integer number (972160).

Almost surely, 212839396 is an apocalyptic number.

It is an amenable number.

12839396 is a deficient number, since it is larger than the sum of its proper divisors (10492444).

12839396 is a wasteful number, since it uses less digits than its factorization.

12839396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115 (or 1113 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 12839396 is about 3583.2102924612. The cubic root of 12839396 is about 234.1611620196.

The spelling of 12839396 in words is "twelve million, eight hundred thirty-nine thousand, three hundred ninety-six".

Divisors: 1 2 4 41 79 82 158 164 316 991 1982 3239 3964 6478 12956 40631 78289 81262 156578 162524 313156 3209849 6419698 12839396