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12552171 = 317246121
BaseRepresentation
bin101111111000…
…011111101011
3212121201100020
4233320133223
511203132141
61125011523
7211456152
oct57703753
925551306
1012552171
1170a36a5
124253ba3
1327a6428
14194a599
15117e266
hexbf87eb

12552171 has 8 divisors (see below), whose sum is σ = 17720784. Its totient is φ = 7875840.

The previous prime is 12552167. The next prime is 12552187. The reversal of 12552171 is 17125521.

12552171 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12552171 - 22 = 12552167 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12552121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123010 + ... + 123111.

It is an arithmetic number, because the mean of its divisors is an integer number (2215098).

Almost surely, 212552171 is an apocalyptic number.

12552171 is a deficient number, since it is larger than the sum of its proper divisors (5168613).

12552171 is a wasteful number, since it uses less digits than its factorization.

12552171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246141.

The product of its digits is 700, while the sum is 24.

The square root of 12552171 is about 3542.9043170822. The cubic root of 12552171 is about 232.4018686349.

Adding to 12552171 its reverse (17125521), we get a palindrome (29677692).

The spelling of 12552171 in words is "twelve million, five hundred fifty-two thousand, one hundred seventy-one".

Divisors: 1 3 17 51 246121 738363 4184057 12552171