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12875506 = 27919679
BaseRepresentation
bin110001000111…
…011011110010
3220020010212121
4301013123302
511244004011
61135544454
7214303630
oct61073362
926203777
1012875506
1172a4616
12438b12a
13288a657
1419d2350
1511e4e71
hexc476f2

12875506 has 8 divisors (see below), whose sum is σ = 22072320. Its totient is φ = 5518068.

The previous prime is 12875503. The next prime is 12875531. The reversal of 12875506 is 60557821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12875503) 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, 459826 + ... + 459853.

It is an arithmetic number, because the mean of its divisors is an integer number (2759040).

Almost surely, 212875506 is an apocalyptic number.

12875506 is a deficient number, since it is larger than the sum of its proper divisors (9196814).

12875506 is an equidigital number, since it uses as much as digits as its factorization.

12875506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919688.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 12875506 is about 3588.2455322901. The cubic root of 12875506 is about 234.3804777623.

The spelling of 12875506 in words is "twelve million, eight hundred seventy-five thousand, five hundred six".

Divisors: 1 2 7 14 919679 1839358 6437753 12875506