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12244620 = 2235892293
BaseRepresentation
bin101110101101…
…011010001100
3212001002110110
4232231122030
511113311440
61114240020
7206035413
oct56553214
925032413
1012244620
116a03623
124126010
1326c944b
1418aa47a
15111d080
hexbad68c

12244620 has 48 divisors (see below), whose sum is σ = 34685280. Its totient is φ = 3227136.

The previous prime is 12244619. The next prime is 12244633. The reversal of 12244620 is 2644221.

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 15 ways as a sum of consecutive naturals, for example, 4194 + ... + 6486.

It is an arithmetic number, because the mean of its divisors is an integer number (722610).

Almost surely, 212244620 is an apocalyptic number.

12244620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12244620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17342640).

12244620 is an abundant number, since it is smaller than the sum of its proper divisors (22440660).

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

12244620 is a wasteful number, since it uses less digits than its factorization.

12244620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394 (or 2392 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 12244620 is about 3499.2313441669. The cubic root of 12244620 is about 230.4880625222.

Adding to 12244620 its reverse (2644221), we get a palindrome (14888841).

The spelling of 12244620 in words is "twelve million, two hundred forty-four thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 89 178 267 356 445 534 890 1068 1335 1780 2293 2670 4586 5340 6879 9172 11465 13758 22930 27516 34395 45860 68790 137580 204077 408154 612231 816308 1020385 1224462 2040770 2448924 3061155 4081540 6122310 12244620