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12625173 = 331142509
BaseRepresentation
bin110000001010…
…010100010101
3212202102111000
4300022110111
511213001143
61130333513
7212212041
oct60122425
925672430
1012625173
117143530
12428a299
132800722
141969021
151195bd3
hexc0a515

12625173 has 16 divisors (see below), whose sum is σ = 20404800. Its totient is φ = 7651440.

The previous prime is 12625141. The next prime is 12625181. The reversal of 12625173 is 37152621.

It is a happy number.

12625173 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 12625173 - 25 = 12625141 is a prime.

It is a super-4 number, since 4×126251734 (a number of 30 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12625133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20958 + ... + 21551.

It is an arithmetic number, because the mean of its divisors is an integer number (1275300).

Almost surely, 212625173 is an apocalyptic number.

It is an amenable number.

12625173 is a deficient number, since it is larger than the sum of its proper divisors (7779627).

12625173 is a wasteful number, since it uses less digits than its factorization.

12625173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42529 (or 42523 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 12625173 is about 3553.1919452796. The cubic root of 12625173 is about 232.8515389664.

Adding to 12625173 its reverse (37152621), we get a palindrome (49777794).

The spelling of 12625173 in words is "twelve million, six hundred twenty-five thousand, one hundred seventy-three".

Divisors: 1 3 9 11 27 33 99 297 42509 127527 382581 467599 1147743 1402797 4208391 12625173