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12741552 = 2432194657
BaseRepresentation
bin110000100110…
…101110110000
3212222100010100
4300212232300
511230212202
61133032400
7213205245
oct60465660
925870110
1012741552
117212a0a
124325700
1328416a5
1419995cc
1511ba41c
hexc26bb0

12741552 has 60 divisors (see below), whose sum is σ = 37543480. Its totient is φ = 4022784.

The previous prime is 12741539. The next prime is 12741557. The reversal of 12741552 is 25514721.

It is not an unprimeable number, because it can be changed into a prime (12741557) 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, 408 + ... + 5064.

Almost surely, 212741552 is an apocalyptic number.

12741552 is a gapful number since it is divisible by the number (12) 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 12741552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18771740).

12741552 is an abundant number, since it is smaller than the sum of its proper divisors (24801928).

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

12741552 is a wasteful number, since it uses less digits than its factorization.

12741552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4690 (or 4681 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 12741552 is about 3569.5310616382. The cubic root of 12741552 is about 233.5648278502.

The spelling of 12741552 in words is "twelve million, seven hundred forty-one thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 36 38 48 57 72 76 114 144 152 171 228 304 342 456 684 912 1368 2736 4657 9314 13971 18628 27942 37256 41913 55884 74512 83826 88483 111768 167652 176966 223536 265449 335304 353932 530898 670608 707864 796347 1061796 1415728 1592694 2123592 3185388 4247184 6370776 12741552