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12925351 = 61211891
BaseRepresentation
bin110001010011…
…100110100111
3220022200020201
4301103212213
511302102401
61141011331
7214602145
oct61234647
926280221
1012925351
11732900a
1243b3b47
1328a724a
141a06595
151204b01
hexc539a7

12925351 has 4 divisors (see below), whose sum is σ = 13137304. Its totient is φ = 12713400.

The previous prime is 12925343. The next prime is 12925369. The reversal of 12925351 is 15352921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12925351 - 23 = 12925343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12925051) 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 3 ways as a sum of consecutive naturals, for example, 105885 + ... + 106006.

It is an arithmetic number, because the mean of its divisors is an integer number (3284326).

Almost surely, 212925351 is an apocalyptic number.

12925351 is a deficient number, since it is larger than the sum of its proper divisors (211953).

12925351 is an equidigital number, since it uses as much as digits as its factorization.

12925351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211952.

The product of its digits is 2700, while the sum is 28.

The square root of 12925351 is about 3595.1844180793. The cubic root of 12925351 is about 234.6825410107.

The spelling of 12925351 in words is "twelve million, nine hundred twenty-five thousand, three hundred fifty-one".

Divisors: 1 61 211891 12925351