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12065207 = 711156691
BaseRepresentation
bin101110000001…
…100110110111
3211200222100112
4232001212313
511042041312
61110333235
7204360350
oct56014667
924628315
1012065207
1168a0850
12405a21b
13266589b
141860d27
1510d4d22
hexb819b7

12065207 has 8 divisors (see below), whose sum is σ = 15042432. Its totient is φ = 9401400.

The previous prime is 12065203. The next prime is 12065237. The reversal of 12065207 is 70256021.

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

It is a cyclic number.

It is not a de Polignac number, because 12065207 - 22 = 12065203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12065203) 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 7 ways as a sum of consecutive naturals, for example, 78269 + ... + 78422.

It is an arithmetic number, because the mean of its divisors is an integer number (1880304).

Almost surely, 212065207 is an apocalyptic number.

12065207 is a deficient number, since it is larger than the sum of its proper divisors (2977225).

12065207 is a wasteful number, since it uses less digits than its factorization.

12065207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156709.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 12065207 is about 3473.5006837483. The cubic root of 12065207 is about 229.3567851014.

The spelling of 12065207 in words is "twelve million, sixty-five thousand, two hundred seven".

Divisors: 1 7 11 77 156691 1096837 1723601 12065207