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12427045 = 519130811
BaseRepresentation
bin101111011001…
…111100100101
3212101100200221
4233121330211
511140131140
61122204341
7210425311
oct57317445
925340627
1012427045
117018694
1241b36b1
1327614a7
141916b41
15115714a
hexbd9f25

12427045 has 8 divisors (see below), whose sum is σ = 15697440. Its totient is φ = 9418320.

The previous prime is 12427027. The next prime is 12427057. The reversal of 12427045 is 54072421.

12427045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12427045 - 219 = 11902757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65311 + ... + 65500.

It is an arithmetic number, because the mean of its divisors is an integer number (1962180).

Almost surely, 212427045 is an apocalyptic number.

It is an amenable number.

12427045 is a deficient number, since it is larger than the sum of its proper divisors (3270395).

12427045 is a wasteful number, since it uses less digits than its factorization.

12427045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130835.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 12427045 is about 3525.2014126855. The cubic root of 12427045 is about 231.6270576199.

Adding to 12427045 its reverse (54072421), we get a palindrome (66499466).

The spelling of 12427045 in words is "twelve million, four hundred twenty-seven thousand, forty-five".

Divisors: 1 5 19 95 130811 654055 2485409 12427045