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13054912 = 261321771
BaseRepresentation
bin110001110011…
…001111000000
3220120020222021
4301303033000
511320224122
61143451224
7215651653
oct61631700
926506867
1013054912
117407392
124456b14
132921200
141a3b89a
15122d1c7
hexc733c0

13054912 has 84 divisors (see below), whose sum is σ = 30120336. Its totient is φ = 5591040.

The previous prime is 13054903. The next prime is 13054913. The reversal of 13054912 is 21945031.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13054913) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 183837 + ... + 183907.

Almost surely, 213054912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13054912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15060168).

13054912 is an abundant number, since it is smaller than the sum of its proper divisors (17065424).

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

13054912 is a wasteful number, since it uses less digits than its factorization.

13054912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 13054912 is about 3613.1581753364. The cubic root of 13054912 is about 235.4640716433.

Adding to 13054912 its reverse (21945031), we get a palindrome (34999943).

The spelling of 13054912 in words is "thirteen million, fifty-four thousand, nine hundred twelve".

Divisors: 1 2 4 8 13 16 17 26 32 34 52 64 68 71 104 136 142 169 208 221 272 284 338 416 442 544 568 676 832 884 923 1088 1136 1207 1352 1768 1846 2272 2414 2704 2873 3536 3692 4544 4828 5408 5746 7072 7384 9656 10816 11492 11999 14144 14768 15691 19312 22984 23998 29536 31382 38624 45968 47996 59072 62764 77248 91936 95992 125528 183872 191984 203983 251056 383968 407966 502112 767936 815932 1004224 1631864 3263728 6527456 13054912