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12670475 = 523116349
BaseRepresentation
bin110000010101…
…011000001011
3212211201121212
4300111120023
511220423400
61131323335
7212461106
oct60253013
925751555
1012670475
117174574
1242b054b
13281822c
14197b73d
1511a4335
hexc1560b

12670475 has 12 divisors (see below), whose sum is σ = 16219200. Its totient is φ = 9808800.

The previous prime is 12670453. The next prime is 12670481. The reversal of 12670475 is 57407621.

It is a de Polignac number, because none of the positive numbers 2k-12670475 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7400 + ... + 8949.

It is an arithmetic number, because the mean of its divisors is an integer number (1351600).

Almost surely, 212670475 is an apocalyptic number.

12670475 is a deficient number, since it is larger than the sum of its proper divisors (3548725).

12670475 is a wasteful number, since it uses less digits than its factorization.

12670475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16390 (or 16385 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 12670475 is about 3559.5610684465. The cubic root of 12670475 is about 233.1297146538.

The spelling of 12670475 in words is "twelve million, six hundred seventy thousand, four hundred seventy-five".

Divisors: 1 5 25 31 155 775 16349 81745 408725 506819 2534095 12670475