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12134145 = 357611063
BaseRepresentation
bin101110010010…
…011100000001
3211211110220210
4232102130001
511101243040
61112024333
7205065342
oct56223401
924743823
1012134145
116938621
1240920a9
13268b08a
14187c0c9
1510ea480
hexb92701

12134145 has 16 divisors (see below), whose sum is σ = 19458432. Its totient is φ = 6456960.

The previous prime is 12134119. The next prime is 12134147. The reversal of 12134145 is 54143121.

It is not a de Polignac number, because 12134145 - 26 = 12134081 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12134147) 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, 10884 + ... + 11946.

It is an arithmetic number, because the mean of its divisors is an integer number (1216152).

Almost surely, 212134145 is an apocalyptic number.

12134145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12134145 is a deficient number, since it is larger than the sum of its proper divisors (7324287).

12134145 is a wasteful number, since it uses less digits than its factorization.

12134145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832.

The product of its digits is 480, while the sum is 21.

The square root of 12134145 is about 3483.4099672591. The cubic root of 12134145 is about 229.7927875385.

Adding to 12134145 its reverse (54143121), we get a palindrome (66277266).

The spelling of 12134145 in words is "twelve million, one hundred thirty-four thousand, one hundred forty-five".

Divisors: 1 3 5 15 761 1063 2283 3189 3805 5315 11415 15945 808943 2426829 4044715 12134145