Search a number
-
+
12679770 = 2351632593
BaseRepresentation
bin110000010111…
…101001011010
3212212012101010
4300113221122
511221223040
61131434350
7212530155
oct60275132
925765333
1012679770
117180554
1242b59b6
13281c52c
141980c9c
1511a6e80
hexc17a5a

12679770 has 32 divisors (see below), whose sum is σ = 30629952. Its totient is φ = 3359232.

The previous prime is 12679769. The next prime is 12679811. The reversal of 12679770 is 7797621.

12679770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3594 + ... + 6186.

It is an arithmetic number, because the mean of its divisors is an integer number (957186).

Almost surely, 212679770 is an apocalyptic number.

12679770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12679770 is an abundant number, since it is smaller than the sum of its proper divisors (17950182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12679770 is a wasteful number, since it uses less digits than its factorization.

12679770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766.

The product of its (nonzero) digits is 37044, while the sum is 39.

The square root of 12679770 is about 3560.8664675890. The cubic root of 12679770 is about 233.1867083347.

The spelling of 12679770 in words is "twelve million, six hundred seventy-nine thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 163 326 489 815 978 1630 2445 2593 4890 5186 7779 12965 15558 25930 38895 77790 422659 845318 1267977 2113295 2535954 4226590 6339885 12679770