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12069211 = 711413823
BaseRepresentation
bin101110000010…
…100101011011
3211201011211211
4232002211123
511042203321
61110403551
7204405130
oct56024533
924634754
1012069211
1168a3860
1240605b7
13266765b
141862587
1510d60e1
hexb8295b

12069211 has 16 divisors (see below), whose sum is σ = 15418368. Its totient is φ = 9172800.

The previous prime is 12069209. The next prime is 12069229. The reversal of 12069211 is 11296021.

12069211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12069211 - 21 = 12069209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12069011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1246 + ... + 5068.

It is an arithmetic number, because the mean of its divisors is an integer number (963648).

Almost surely, 212069211 is an apocalyptic number.

12069211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12069211 is a deficient number, since it is larger than the sum of its proper divisors (3349157).

12069211 is a wasteful number, since it uses less digits than its factorization.

12069211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3882.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 12069211 is about 3474.0769997224. The cubic root of 12069211 is about 229.3821539988.

The spelling of 12069211 in words is "twelve million, sixty-nine thousand, two hundred eleven".

Divisors: 1 7 11 41 77 287 451 3157 3823 26761 42053 156743 294371 1097201 1724173 12069211