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12867313 = 19677227
BaseRepresentation
bin110001000101…
…011011110001
3220012201122011
4301011123301
511243223223
61135442521
7214241014
oct61053361
926181564
1012867313
117299448
124386441
1328869c4
1419cd37b
1511e280d
hexc456f1

12867313 has 4 divisors (see below), whose sum is σ = 13544560. Its totient is φ = 12190068.

The previous prime is 12867311. The next prime is 12867319. The reversal of 12867313 is 31376821.

12867313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 12867313 - 21 = 12867311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12867311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338595 + ... + 338632.

It is an arithmetic number, because the mean of its divisors is an integer number (3386140).

Almost surely, 212867313 is an apocalyptic number.

It is an amenable number.

12867313 is a deficient number, since it is larger than the sum of its proper divisors (677247).

12867313 is an equidigital number, since it uses as much as digits as its factorization.

12867313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677246.

The product of its digits is 6048, while the sum is 31.

The square root of 12867313 is about 3587.1037063347. The cubic root of 12867313 is about 234.3307531999.

The spelling of 12867313 in words is "twelve million, eight hundred sixty-seven thousand, three hundred thirteen".

Divisors: 1 19 677227 12867313