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12054811 = 103117037
BaseRepresentation
bin101101111111…
…000100011011
3211200110002111
4231333010123
511041223221
61110213151
7204315136
oct55770433
924613074
1012054811
116893a5a
1240541b7
132660c32
14185b21d
1510d1be1
hexb7f11b

12054811 has 4 divisors (see below), whose sum is σ = 12171952. Its totient is φ = 11937672.

The previous prime is 12054803. The next prime is 12054839. The reversal of 12054811 is 11845021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12054811 - 23 = 12054803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12054851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58416 + ... + 58621.

It is an arithmetic number, because the mean of its divisors is an integer number (3042988).

Almost surely, 212054811 is an apocalyptic number.

12054811 is a deficient number, since it is larger than the sum of its proper divisors (117141).

12054811 is a wasteful number, since it uses less digits than its factorization.

12054811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117140.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 12054811 is about 3472.0038882467. The cubic root of 12054811 is about 229.2908909893.

Adding to 12054811 its reverse (11845021), we get a palindrome (23899832).

The spelling of 12054811 in words is "twelve million, fifty-four thousand, eight hundred eleven".

Divisors: 1 103 117037 12054811