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12859340 = 2251349459
BaseRepresentation
bin110001000011…
…011111001100
3220012022200212
4301003133030
511242444330
61135341552
7214205534
oct61033714
926168625
1012859340
11729345a
1243818b8
1328831a0
1419ca4c4
1511e0295
hexc437cc

12859340 has 24 divisors (see below), whose sum is σ = 29082480. Its totient is φ = 4747968.

The previous prime is 12859331. The next prime is 12859351. The reversal of 12859340 is 4395821.

12859340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12859297 and 12859306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24470 + ... + 24989.

It is an arithmetic number, because the mean of its divisors is an integer number (1211770).

Almost surely, 212859340 is an apocalyptic number.

12859340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12859340 is an abundant number, since it is smaller than the sum of its proper divisors (16223140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12859340 is a wasteful number, since it uses less digits than its factorization.

12859340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49481 (or 49479 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 12859340 is about 3585.9921918487. The cubic root of 12859340 is about 234.2823435820.

The spelling of 12859340 in words is "twelve million, eight hundred fifty-nine thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 49459 98918 197836 247295 494590 642967 989180 1285934 2571868 3214835 6429670 12859340