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12470427 = 321385603
BaseRepresentation
bin101111100100…
…100010011011
3212110120012200
4233210202123
511143023202
61123141243
7210665634
oct57444233
925416180
1012470427
117048242
124214823
132778168
14192888b
151164e1c
hexbe489b

12470427 has 6 divisors (see below), whose sum is σ = 18012852. Its totient is φ = 8313612.

The previous prime is 12470407. The next prime is 12470449. The reversal of 12470427 is 72407421.

It is a happy number.

12470427 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12470427 - 210 = 12469403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12470427.

It is not an unprimeable number, because it can be changed into a prime (12470407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 692793 + ... + 692810.

It is an arithmetic number, because the mean of its divisors is an integer number (3002142).

Almost surely, 212470427 is an apocalyptic number.

12470427 is a deficient number, since it is larger than the sum of its proper divisors (5542425).

12470427 is a wasteful number, since it uses less digits than its factorization.

12470427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385609 (or 1385606 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 12470427 is about 3531.3491755985. The cubic root of 12470427 is about 231.8962762158.

Adding to 12470427 its reverse (72407421), we get a palindrome (84877848).

The spelling of 12470427 in words is "twelve million, four hundred seventy thousand, four hundred twenty-seven".

Divisors: 1 3 9 1385603 4156809 12470427