Search a number
-
+
12679474 = 28971233
BaseRepresentation
bin110000010111…
…100100110010
3212212011222011
4300113210302
511221220344
61131433134
7212526253
oct60274462
925764864
1012679474
117180305
1242b57aa
13281c362
141980b2a
1511a6d34
hexc17932

12679474 has 8 divisors (see below), whose sum is σ = 19233180. Its totient is φ = 6268416.

The previous prime is 12679451. The next prime is 12679481. The reversal of 12679474 is 47497621.

It can be written as a sum of positive squares in 2 ways, for example, as 12652249 + 27225 = 3557^2 + 165^2 .

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

It is an unprimeable number.

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, 35439 + ... + 35794.

Almost surely, 212679474 is an apocalyptic number.

12679474 is a deficient number, since it is larger than the sum of its proper divisors (6553706).

12679474 is an equidigital number, since it uses as much as digits as its factorization.

12679474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71324.

The product of its digits is 84672, while the sum is 40.

The square root of 12679474 is about 3560.8249044287. The cubic root of 12679474 is about 233.1848937959.

The spelling of 12679474 in words is "twelve million, six hundred seventy-nine thousand, four hundred seventy-four".

Divisors: 1 2 89 178 71233 142466 6339737 12679474