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12260738 = 271946093
BaseRepresentation
bin101110110001…
…010110000010
3212001220120102
4232301112002
511114320423
61114442402
7206133410
oct56612602
925056512
1012260738
116a14746
124133402
132703899
1418b22b0
151122c28
hexbb1582

12260738 has 16 divisors (see below), whose sum is σ = 22125120. Its totient is φ = 4977936.

The previous prime is 12260713. The next prime is 12260741. The reversal of 12260738 is 83706221.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12260738.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22781 + ... + 23312.

It is an arithmetic number, because the mean of its divisors is an integer number (1382820).

Almost surely, 212260738 is an apocalyptic number.

12260738 is a deficient number, since it is larger than the sum of its proper divisors (9864382).

12260738 is a wasteful number, since it uses less digits than its factorization.

12260738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46121.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 12260738 is about 3501.5336639821. The cubic root of 12260738 is about 230.5891512104.

Adding to 12260738 its reverse (83706221), we get a palindrome (95966959).

The spelling of 12260738 in words is "twelve million, two hundred sixty thousand, seven hundred thirty-eight".

Divisors: 1 2 7 14 19 38 133 266 46093 92186 322651 645302 875767 1751534 6130369 12260738