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12741865 = 55714463
BaseRepresentation
bin110000100110…
…110011101001
3212222100112221
4300212303221
511230214430
61133034041
7213206203
oct60466351
925870487
1012741865
117213174
124325921
132841886
141999773
1511ba57a
hexc26ce9

12741865 has 8 divisors (see below), whose sum is σ = 15320448. Its totient is φ = 10173360.

The previous prime is 12741853. The next prime is 12741887. The reversal of 12741865 is 56814721.

12741865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12741865 - 213 = 12733673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12741865.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624 + ... + 5086.

It is an arithmetic number, because the mean of its divisors is an integer number (1915056).

Almost surely, 212741865 is an apocalyptic number.

It is an amenable number.

12741865 is a deficient number, since it is larger than the sum of its proper divisors (2578583).

12741865 is an equidigital number, since it uses as much as digits as its factorization.

12741865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5039.

The product of its digits is 13440, while the sum is 34.

The square root of 12741865 is about 3569.5749046630. The cubic root of 12741865 is about 233.5667403643.

The spelling of 12741865 in words is "twelve million, seven hundred forty-one thousand, eight hundred sixty-five".

Divisors: 1 5 571 2855 4463 22315 2548373 12741865