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12705452 = 2219167177
BaseRepresentation
bin110000011101…
…111010101100
3212220111121022
4300131322230
511223033302
61132153312
7212665064
oct60357254
925814538
1012705452
117198881
124308838
13282b126
14198a3a4
1511ae8a2
hexc1deac

12705452 has 12 divisors (see below), whose sum is σ = 23404920. Its totient is φ = 6018336.

The previous prime is 12705437. The next prime is 12705481. The reversal of 12705452 is 25450721.

It is a super-2 number, since 2×127054522 = 322857021048608, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

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 3 ways as a sum of consecutive naturals, for example, 83513 + ... + 83664.

It is an arithmetic number, because the mean of its divisors is an integer number (1950410).

Almost surely, 212705452 is an apocalyptic number.

It is an amenable number.

12705452 is a deficient number, since it is larger than the sum of its proper divisors (10699468).

12705452 is a wasteful number, since it uses less digits than its factorization.

12705452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167200 (or 167198 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 12705452 is about 3564.4707882097. The cubic root of 12705452 is about 233.3440366972.

The spelling of 12705452 in words is "twelve million, seven hundred five thousand, four hundred fifty-two".

Divisors: 1 2 4 19 38 76 167177 334354 668708 3176363 6352726 12705452