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12738252 = 2237114951
BaseRepresentation
bin110000100101…
…111011001100
3212222011121010
4300211323030
511230111002
61133005220
7213162522
oct60457314
925864533
1012738252
11721048a
124323810
132840037
141998312
1511b946c
hexc25ecc

12738252 has 24 divisors (see below), whose sum is σ = 30143232. Its totient is φ = 4186000.

The previous prime is 12738247. The next prime is 12738283. The reversal of 12738252 is 25283721.

12738252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6624 + ... + 8327.

It is an arithmetic number, because the mean of its divisors is an integer number (1255968).

Almost surely, 212738252 is an apocalyptic number.

12738252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12738252 is an abundant number, since it is smaller than the sum of its proper divisors (17404980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12738252 is a wasteful number, since it uses less digits than its factorization.

12738252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15029 (or 15027 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 12738252 is about 3569.0687861121. The cubic root of 12738252 is about 233.5446620577.

The spelling of 12738252 in words is "twelve million, seven hundred thirty-eight thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 71 142 213 284 426 852 14951 29902 44853 59804 89706 179412 1061521 2123042 3184563 4246084 6369126 12738252