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12625017 = 34208339
BaseRepresentation
bin110000001010…
…010001111001
3212202102021020
4300022101321
511213000032
61130333053
7212211426
oct60122171
925672236
1012625017
1171433a9
12428a189
132800632
141968d4d
151195b2c
hexc0a479

12625017 has 4 divisors (see below), whose sum is σ = 16833360. Its totient is φ = 8416676.

The previous prime is 12624991. The next prime is 12625027. The reversal of 12625017 is 71052621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71052621 = 323684207.

It is a cyclic number.

It is not a de Polignac number, because 12625017 - 218 = 12362873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12625027) 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, 2104167 + ... + 2104172.

It is an arithmetic number, because the mean of its divisors is an integer number (4208340).

Almost surely, 212625017 is an apocalyptic number.

It is an amenable number.

12625017 is a deficient number, since it is larger than the sum of its proper divisors (4208343).

12625017 is an equidigital number, since it uses as much as digits as its factorization.

12625017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4208342.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 12625017 is about 3553.1699931188. The cubic root of 12625017 is about 232.8505799039.

Adding to 12625017 its reverse (71052621), we get a palindrome (83677638).

The spelling of 12625017 in words is "twelve million, six hundred twenty-five thousand, seventeen".

Divisors: 1 3 4208339 12625017