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12361424 = 242926641
BaseRepresentation
bin101111001001…
…111011010000
3212021000200112
4233021323100
511131031144
61120540452
7210033065
oct57117320
925230615
1012361424
116a83359
124181728
13273a66a
1418dac6c
15114299e
hexbc9ed0

12361424 has 20 divisors (see below), whose sum is σ = 24777060. Its totient is φ = 5967360.

The previous prime is 12361417. The next prime is 12361429. The reversal of 12361424 is 42416321.

It can be written as a sum of positive squares in 2 ways, for example, as 3168400 + 9193024 = 1780^2 + 3032^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12361424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12361429) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12857 + ... + 13784.

It is an arithmetic number, because the mean of its divisors is an integer number (1238853).

Almost surely, 212361424 is an apocalyptic number.

It is an amenable number.

12361424 is an abundant number, since it is smaller than the sum of its proper divisors (12415636).

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

12361424 is a wasteful number, since it uses less digits than its factorization.

12361424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26678 (or 26672 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 12361424 is about 3515.8816817407. The cubic root of 12361424 is about 231.2186357268.

Adding to 12361424 its reverse (42416321), we get a palindrome (54777745).

The spelling of 12361424 in words is "twelve million, three hundred sixty-one thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 29 58 116 232 464 26641 53282 106564 213128 426256 772589 1545178 3090356 6180712 12361424