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12567313 = 111142483
BaseRepresentation
bin101111111100…
…001100010001
3212122111010001
4233330030101
511204123223
61125210001
7211551253
oct57741421
925574101
1012567313
117104010
124260901
1327b02a5
141951cd3
1511839ad
hexbfc311

12567313 has 4 divisors (see below), whose sum is σ = 13709808. Its totient is φ = 11424820.

The previous prime is 12567311. The next prime is 12567323. The reversal of 12567313 is 31376521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12567313 - 21 = 12567311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12567311) 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, 571231 + ... + 571252.

It is an arithmetic number, because the mean of its divisors is an integer number (3427452).

Almost surely, 212567313 is an apocalyptic number.

It is an amenable number.

12567313 is a deficient number, since it is larger than the sum of its proper divisors (1142495).

12567313 is a wasteful number, since it uses less digits than its factorization.

12567313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142494.

The product of its digits is 3780, while the sum is 28.

The square root of 12567313 is about 3545.0406203597. The cubic root of 12567313 is about 232.4952818251.

It can be divided in two parts, 12567 and 313, that added together give a triangular number (12880 = T160).

The spelling of 12567313 in words is "twelve million, five hundred sixty-seven thousand, three hundred thirteen".

Divisors: 1 11 1142483 12567313