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12925226 = 28777369
BaseRepresentation
bin110001010011…
…100100101010
3220022200002002
4301103210222
511302101401
61141011002
7214601606
oct61234452
926280062
1012925226
117328a06
1243b3a62
1328a7182
141a06506
151204a6b
hexc5392a

12925226 has 8 divisors (see below), whose sum is σ = 19412580. Its totient is φ = 6454368.

The previous prime is 12925223. The next prime is 12925261. The reversal of 12925226 is 62252921.

It can be written as a sum of positive squares in 2 ways, for example, as 10569001 + 2356225 = 3251^2 + 1535^2 .

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

It is a super-2 number, since 2×129252262 = 334122934302152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12925223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1931 + ... + 5438.

Almost surely, 212925226 is an apocalyptic number.

12925226 is a deficient number, since it is larger than the sum of its proper divisors (6487354).

12925226 is an equidigital number, since it uses as much as digits as its factorization.

12925226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8248.

The product of its digits is 4320, while the sum is 29.

The square root of 12925226 is about 3595.1670336717. The cubic root of 12925226 is about 234.6817844764.

The spelling of 12925226 in words is "twelve million, nine hundred twenty-five thousand, two hundred twenty-six".

Divisors: 1 2 877 1754 7369 14738 6462613 12925226