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12470245 = 522710987
BaseRepresentation
bin101111100100…
…011111100101
3212110112221221
4233210133211
511143021440
61123140341
7210665254
oct57443745
925415857
1012470245
117048097
1242146b1
132778058
14192879b
151164d4a
hexbe47e5

12470245 has 8 divisors (see below), whose sum is σ = 15031584. Its totient is φ = 9931344.

The previous prime is 12470243. The next prime is 12470267. The reversal of 12470245 is 54207421.

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

It is a cyclic number.

It is not a de Polignac number, because 12470245 - 21 = 12470243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12470243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4359 + ... + 6628.

It is an arithmetic number, because the mean of its divisors is an integer number (1878948).

Almost surely, 212470245 is an apocalyptic number.

It is an amenable number.

12470245 is a deficient number, since it is larger than the sum of its proper divisors (2561339).

12470245 is a wasteful number, since it uses less digits than its factorization.

12470245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11219.

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

The square root of 12470245 is about 3531.3234063167. The cubic root of 12470245 is about 231.8951480714.

Adding to 12470245 its reverse (54207421), we get a palindrome (66677666).

The spelling of 12470245 in words is "twelve million, four hundred seventy thousand, two hundred forty-five".

Divisors: 1 5 227 1135 10987 54935 2494049 12470245