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12298839 = 371633593
BaseRepresentation
bin101110111010…
…101001010111
3212010211211120
4232322221113
511122030324
61115335023
7206352450
oct56725127
925124746
1012298839
116a40333
124151473
132718027
1418c2127
15112e179
hexbbaa57

12298839 has 16 divisors (see below), whose sum is σ = 18861312. Its totient is φ = 6982848.

The previous prime is 12298829. The next prime is 12298841. The reversal of 12298839 is 93889221.

It is not a de Polignac number, because 12298839 - 27 = 12298711 is a prime.

It is a super-2 number, since 2×122988392 = 302522881495842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12298839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12298829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1627 + ... + 5219.

It is an arithmetic number, because the mean of its divisors is an integer number (1178832).

Almost surely, 212298839 is an apocalyptic number.

12298839 is a deficient number, since it is larger than the sum of its proper divisors (6562473).

12298839 is a wasteful number, since it uses less digits than its factorization.

12298839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766.

The product of its digits is 62208, while the sum is 42.

The square root of 12298839 is about 3506.9700597524. The cubic root of 12298839 is about 230.8277608888.

The spelling of 12298839 in words is "twelve million, two hundred ninety-eight thousand, eight hundred thirty-nine".

Divisors: 1 3 7 21 163 489 1141 3423 3593 10779 25151 75453 585659 1756977 4099613 12298839