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12047067 = 3217711109
BaseRepresentation
bin101101111101…
…001011011011
3211200001110200
4231331023123
511041001232
61110113243
7204253434
oct55751333
924601420
1012047067
11688915a
12404b823
13265a556
14185848b
1510ce77c
hexb7d2db

12047067 has 24 divisors (see below), whose sum is σ = 18701280. Its totient is φ = 7445760.

The previous prime is 12047053. The next prime is 12047099. The reversal of 12047067 is 76074021.

It is not a de Polignac number, because 12047067 - 218 = 11784923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12047067.

It is not an unprimeable number, because it can be changed into a prime (12047047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10309 + ... + 11417.

It is an arithmetic number, because the mean of its divisors is an integer number (779220).

Almost surely, 212047067 is an apocalyptic number.

12047067 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12047067 is a deficient number, since it is larger than the sum of its proper divisors (6654213).

12047067 is a wasteful number, since it uses less digits than its factorization.

12047067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 12047067 is about 3470.8885029629. Note that the first 3 decimals coincide. The cubic root of 12047067 is about 229.2417817163.

The spelling of 12047067 in words is "twelve million, forty-seven thousand, sixty-seven".