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12069387 = 3211211083
BaseRepresentation
bin101110000010…
…101000001011
3211201012002100
4232002220023
511042210022
61110404443
7204405501
oct56025013
924635070
1012069387
1168a3a00
124060723
132667765
141862671
1510d61ac
hexb82a0b

12069387 has 18 divisors (see below), whose sum is σ = 19164236. Its totient is φ = 7314120.

The previous prime is 12069367. The next prime is 12069391. The reversal of 12069387 is 78396021.

It is not a de Polignac number, because 12069387 - 219 = 11545099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12069347) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4453 + ... + 6630.

Almost surely, 212069387 is an apocalyptic number.

12069387 is a deficient number, since it is larger than the sum of its proper divisors (7094849).

12069387 is a wasteful number, since it uses less digits than its factorization.

12069387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11111 (or 11097 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 12069387 is about 3474.1023300991. The cubic root of 12069387 is about 229.3832689864.

The spelling of 12069387 in words is "twelve million, sixty-nine thousand, three hundred eighty-seven".

Divisors: 1 3 9 11 33 99 121 363 1089 11083 33249 99747 121913 365739 1097217 1341043 4023129 12069387