Search a number
-
+
12679790 = 251774587
BaseRepresentation
bin110000010111…
…101001101110
3212212012101212
4300113221232
511221223130
61131434422
7212530214
oct60275156
925765355
1012679790
117180572
1242b5a12
13281c546
141980cb4
1511a6e95
hexc17a6e

12679790 has 16 divisors (see below), whose sum is σ = 24166512. Its totient is φ = 4773504.

The previous prime is 12679769. The next prime is 12679811. The reversal of 12679790 is 9797621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12679769) and next prime (12679811).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 37124 + ... + 37463.

It is an arithmetic number, because the mean of its divisors is an integer number (1510407).

Almost surely, 212679790 is an apocalyptic number.

12679790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12679790 is a deficient number, since it is larger than the sum of its proper divisors (11486722).

12679790 is a wasteful number, since it uses less digits than its factorization.

12679790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74611.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 12679790 is about 3560.8692758932. The cubic root of 12679790 is about 233.1868309377.

The spelling of 12679790 in words is "twelve million, six hundred seventy-nine thousand, seven hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 74587 149174 372935 745870 1267979 2535958 6339895 12679790