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12859379 = 13276091
BaseRepresentation
bin110001000011…
…011111110011
3220012022202022
4301003133303
511243000004
61135342055
7214205621
oct61033763
926168668
1012859379
117293495
12438192b
132883200
1419ca511
1511e02be
hexc437f3

12859379 has 6 divisors (see below), whose sum is σ = 13924836. Its totient is φ = 11870040.

The previous prime is 12859351. The next prime is 12859381. The reversal of 12859379 is 97395821.

It is not a de Polignac number, because 12859379 - 220 = 11810803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12859879) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37877 + ... + 38214.

It is an arithmetic number, because the mean of its divisors is an integer number (2320806).

Almost surely, 212859379 is an apocalyptic number.

12859379 is a deficient number, since it is larger than the sum of its proper divisors (1065457).

12859379 is an equidigital number, since it uses as much as digits as its factorization.

12859379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76117 (or 76104 counting only the distinct ones).

The product of its digits is 136080, while the sum is 44.

The square root of 12859379 is about 3585.9976296702. The cubic root of 12859379 is about 234.2825804268.

The spelling of 12859379 in words is "twelve million, eight hundred fifty-nine thousand, three hundred seventy-nine".

Divisors: 1 13 169 76091 989183 12859379