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12752427 = 34250809
BaseRepresentation
bin110000101001…
…011000101011
3212222220001010
4300221120223
511231034202
61133155003
7213252042
oct60513053
925886033
1012752427
1172200a6
12432ba63
13284661c
14199d559
1511bd76c
hexc2962b

12752427 has 4 divisors (see below), whose sum is σ = 17003240. Its totient is φ = 8501616.

The previous prime is 12752423. The next prime is 12752429. The reversal of 12752427 is 72425721.

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

It is not a de Polignac number, because 12752427 - 22 = 12752423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12752394 and 12752403.

It is not an unprimeable number, because it can be changed into a prime (12752423) 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, 2125402 + ... + 2125407.

It is an arithmetic number, because the mean of its divisors is an integer number (4250810).

Almost surely, 212752427 is an apocalyptic number.

12752427 is a deficient number, since it is larger than the sum of its proper divisors (4250813).

12752427 is an equidigital number, since it uses as much as digits as its factorization.

12752427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4250812.

The product of its digits is 7840, while the sum is 30.

The square root of 12752427 is about 3571.0540460766. The cubic root of 12752427 is about 233.6312586692.

The spelling of 12752427 in words is "twelve million, seven hundred fifty-two thousand, four hundred twenty-seven".

Divisors: 1 3 4250809 12752427