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12412971 = 32532491
BaseRepresentation
bin101111010110…
…100000101011
3212100122101200
4233112200223
511134203341
61122015243
7210336264
oct57264053
925318350
1012412971
11700905a
1241a7523
132757c6c
14191196b
151152db6
hexbd682b

12412971 has 18 divisors (see below), whose sum is σ = 18311748. Its totient is φ = 8102640.

The previous prime is 12412949. The next prime is 12412987. The reversal of 12412971 is 17921421.

12412971 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 12412971 - 210 = 12411947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12412901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 25036 + ... + 25526.

Almost surely, 212412971 is an apocalyptic number.

12412971 is a deficient number, since it is larger than the sum of its proper divisors (5898777).

12412971 is an equidigital number, since it uses as much as digits as its factorization.

12412971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603 (or 547 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 12412971 is about 3523.2046491795. The cubic root of 12412971 is about 231.5395830665.

The spelling of 12412971 in words is "twelve million, four hundred twelve thousand, nine hundred seventy-one".

Divisors: 1 3 9 53 159 477 491 1473 2809 4419 8427 25281 26023 78069 234207 1379219 4137657 12412971